/* Enhanced CSS Variables for Theme Colors */
:root {
    /* Light mode (default) */
    --bg-gradient-start: #fafbfc;
    --bg-gradient-end: #f3f4f6;
    --text-color: #1f2937;
    --text-secondary: #6b7280;
    --app-bg: #ffffff;
    --card-bg: #ffffff;
    --card-hover-bg: #fafbfc;
    --header-gradient-start: #7c3aed;
    --header-gradient-end: #6d28d9;
    --header-text: #ffffff;
    --menu-bg: #ffffff;
    --menu-text: #4b5563;
    --menu-hover-bg: #f3f4f6;
    --menu-hover-text: #7c3aed;
    --border-color: #e5e7eb;
    --shadow-color: rgba(0, 0, 0, 0.05);
    --shadow-hover: rgba(0, 0, 0, 0.1);
    --category-tab-bg: #f9fafb;
    --category-tab-hover: #f3f4f6;
    --category-tab-active-bg: #7c3aed;
    --category-tab-active-text: #ffffff;
    --product-title: #1f2937;
    --product-description: #6b7280;
    --product-image-bg: #f9fafb;
    --section-bg: #ffffff;
    --section-title: #1f2937;
    --section-text: #6b7280;
    --primary-color: #7c3aed;
    --primary-hover: #6d28d9;
    --secondary-color: #10b981;
    --secondary-hover: #059669;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --info-color: #3b82f6;
    --info-hover: #2563eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
}

/* Dark mode */
body.dark-mode {
    --bg-gradient-start: #1a1b23;
    --bg-gradient-end: #111318;
    --text-color: #f3f4f6;
    --text-secondary: #9ca3af;
    --app-bg: #1f2937;
    --card-bg: #374151;
    --card-hover-bg: #4b5563;
    --header-gradient-start: #5b21b6;
    --header-gradient-end: #4c1d95;
    --header-text: #f9fafb;
    --menu-bg: #374151;
    --menu-text: #d1d5db;
    --menu-hover-bg: #4b5563;
    --menu-hover-text: #a78bfa;
    --border-color: #4b5563;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
    --category-tab-bg: #374151;
    --category-tab-hover: #4b5563;
    --category-tab-active-bg: #7c3aed;
    --category-tab-active-text: #f9fafb;
    --product-title: #f3f4f6;
    --product-description: #d1d5db;
    --product-image-bg: #4b5563;
    --section-bg: #374151;
    --section-title: #f3f4f6;
    --section-text: #d1d5db;
}

/* Signed-in Indicator */
.signed-in-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #10b981;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-right: 1rem;
}

.signed-in-icon {
    font-size: 1.1rem;
    font-weight: bold;
}

.signed-in-text {
    font-size: 0.9rem;
}

/* Dark mode styles for signed-in indicator */
.dark-mode .signed-in-indicator {
    background: #059669;
    color: white;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    color: var(--text-color);
    font-weight: 400;
    line-height: 1.6;
    min-height: 100vh;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Enhancement */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

p {
    line-height: 1.7;
    color: var(--text-secondary);
}

/* App Container */
.app-container {
    max-width: 800px;
    margin: 0 auto;
    min-height: 100vh;
    background: var(--app-bg);
    box-shadow: 0 0 40px var(--shadow-color);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* Enhanced Header */
.header {
    background: linear-gradient(135deg, var(--header-gradient-start) 0%, var(--header-gradient-end) 100%);
    color: var(--header-text);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 24px rgba(124, 58, 237, 0.25);
    position: relative;
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

/* Logo Enhancement */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    order: 2;
    flex: 1;
    justify-content: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--header-text);
    transition: transform 0.2s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 36px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.logo p {
    font-size: 0.75rem;
    opacity: 0.9;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Enhanced Navigation Menu */
.main-nav {
    order: 1;
    position: relative;
    z-index: 9999;
}

.menu-toggle {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.25rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.main-menu {
    position: absolute;
    top: 60px;
    left: 1rem;
    background: var(--menu-bg);
    border-radius: 16px;
    box-shadow: 0 10px 40px var(--shadow-hover);
    min-width: 240px;
    z-index: 9999;
    overflow: hidden;
    list-style: none;
    padding: 0.5rem;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
}

.main-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--menu-text);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    border-radius: 8px;
    font-weight: 500;
}

.menu-item:hover {
    background: var(--menu-hover-bg);
    color: var(--menu-hover-text);
    transform: translateX(4px);
}

.menu-item span {
    margin-right: 12px;
    font-size: 1.1rem;
}

/* Enhanced Emergency Button */
.emergency-call-btn {
    background: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-hover) 100%);
    color: white;
    border: none;
    padding: 0.6rem 1.25rem;
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    order: 3;
}

.emergency-call-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* Enhanced Sign In Button */
.sign-in-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.sign-in-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Auth Button Container */
#authButtonContainer {
    order: 4;
    margin-left: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Enhanced Main Content */
.main-content {
    padding: 3rem 2rem;
    padding-bottom: 100px;
    min-height: calc(100vh - 120px);
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Enhanced Welcome Screen */
.welcome-screen {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.welcome-content h2 {
    font-size: 2.25rem;
    color: var(--section-title);
    margin-bottom: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.welcome-content p {
    font-size: 1.125rem;
    color: var(--section-text);
    margin-bottom: 3rem;
    line-height: 1.8;
}

/* Enhanced Emergency Buttons */
.emergency-buttons {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.emergency-btn {
    padding: 1.25rem 2.25rem;
    border: none;
    border-radius: 16px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.emergency-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.emergency-btn:hover::before {
    opacity: 1;
}

.emergency-btn.primary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-hover) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.emergency-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.emergency-btn.secondary {
    background: linear-gradient(135deg, var(--info-color) 0%, var(--info-hover) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.emergency-btn.secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

/* Enhanced Common Scenarios */
.common-scenarios {
    margin-top: 2.5rem;
}

.common-scenarios h3 {
    font-size: 1.5rem;
    color: var(--section-title);
    margin-bottom: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.scenario-btn {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 8px var(--shadow-color);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.scenario-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.1;
    transition: left 0.5s ease;
}

.scenario-btn:hover {
    border-color: var(--primary-color);
    background: var(--card-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-hover);
}

.scenario-btn:hover::before {
    left: 100%;
}

/* Enhanced Chat Interface */
.chat-interface {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 120px);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0 !important; /* Compact padding for better space usage */
    border-bottom: 1px solid var(--border-color) !important; /* Thinner border */
    margin-bottom: 0.5rem !important; /* Compact margin for better space usage */
}

.back-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.25rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    font-weight: 500;
}

.back-btn:hover {
    background: var(--card-hover-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateX(-2px);
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--primary-color);
}

.status-indicator {
    width: 10px;
    height: 10px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Enhanced Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Reduced from 1.75rem to 1rem for tighter spacing */
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-gradient-start);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.message {
    max-width: 85%;
    padding: 1.25rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
    line-height: 1.6;
    animation: messageSlide 0.3s ease-out;
    position: relative;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.ai {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    color: #0c4a6e;
    align-self: flex-start;
    margin-left: 1rem;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.1);
}

.message.user {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    align-self: flex-end;
    margin-right: 1rem;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
}

.message.system {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #fbbf24;
    color: #92400e;
    align-self: center;
    font-weight: 500;
    text-align: center;
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.2);
}

/* Enhanced Chat Input */
.chat-input-container {
    border-top: 2px solid var(--border-color);
    padding-top: 0.25rem !important;
    margin-bottom: 80px;
    background: var(--app-bg);
}

.quick-responses {
    display: flex;
    gap: 0.75rem;
    margin: 1rem 0;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.quick-response-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
}

.quick-response-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.input-group {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    background: var(--card-bg);
    padding: 0.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

#messageInput {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 28px;
    font-size: 1rem;
    outline: none;
    transition: all 0.2s ease;
    resize: none;
    background: var(--app-bg);
    color: var(--text-color);
    font-family: inherit;
}

#messageInput:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

#sendBtn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem 1.75rem;
    border-radius: 28px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
}

#sendBtn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.voice-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 0.875rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.voice-btn:hover {
    background: var(--secondary-hover);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Enhanced Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
    animation: modalFadeIn 0.3s ease-out;
    /* Ensure modal can scroll if content is too tall */
    overflow-y: auto;
    padding: 2rem 1rem;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--app-bg);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 500px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
    /* Ensure scrollbar is always visible when content overflows */
    overflow-y: scroll;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.modal-header h3 {
    color: var(--section-title);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    line-height: 1;
}

.close-btn:hover {
    background: var(--card-bg);
    color: var(--danger-color);
    transform: rotate(90deg);
}

/* Enhanced Disclaimer Modal */
.disclaimer-modal {
    z-index: 2000;
}

.disclaimer-content {
    max-width: 600px;
    text-align: center;
}

.disclaimer-header h3 {
    color: var(--danger-color);
    font-size: 1.75rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-weight: 700;
}

.disclaimer-text {
    text-align: left;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.disclaimer-text p {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.disclaimer-checkbox {
    margin: 2rem 0;
    text-align: left;
    background: var(--card-bg);
    padding: 1.25rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.disclaimer-checkbox label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    font-size: 1.05rem;
    color: var(--text-color);
    font-weight: 500;
}

.disclaimer-checkbox input[type="checkbox"] {
    width: 24px;
    height: 24px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.disclaimer-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.disclaimer-btn {
    padding: 0.875rem 2.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 140px;
}

.disclaimer-btn.primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
}

.disclaimer-btn.primary:enabled:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
}

.disclaimer-btn.primary:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.disclaimer-btn.cancel-btn {
    background: var(--card-bg);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.disclaimer-btn.cancel-btn:hover {
    background: var(--card-hover-bg);
    border-color: var(--text-secondary);
    color: var(--text-color);
}

/* Enhanced Footer */
.upgrade-footer {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-hover) 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -4px 20px rgba(16, 185, 129, 0.3);
    max-width: 800px;
    width: 100%;
    z-index: 1000 !important;
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    visibility: visible !important;
    opacity: 1 !important;
}

.upgrade-footer-btn {
    background: white;
    color: var(--secondary-color);
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.upgrade-footer-btn:hover {
    background: var(--card-bg);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Enhanced User Menu */
.user-menu {
    position: relative;
    display: inline-block;
}

.user-menu-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.6rem 1.25rem;
    padding-right: 2rem;
    border-radius: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    position: relative;
}

.user-menu-btn::after {
    content: '▼';
    position: absolute;
    right: 0.75rem;
    font-size: 0.7rem;
    opacity: 0.7;
}

.user-menu-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--app-bg);
    border-radius: 12px;
    box-shadow: 0 10px 40px var(--shadow-hover);
    min-width: 220px;
    z-index: 100;
    padding: 0.5rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.user-menu-dropdown:not(.hidden) {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-item {
    padding: 0.875rem 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    border-radius: 8px;
    font-weight: 500;
}

.user-menu-item:hover {
    background: var(--card-bg);
    color: var(--primary-color);
}

.user-menu-item.logout {
    border-top: 1px solid var(--border-color);
    color: var(--danger-color);
    margin-top: 0.25rem;
    padding-top: 1rem;
}

.user-menu-item.logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-hover);
}

/* Enhanced Form Styles */
.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.625rem;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--app-bg);
    color: var(--text-color);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

/* Enhanced Child Profile Styles */
.child-profile-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    background: var(--card-bg);
    transition: all 0.2s ease;
}

.child-profile-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

.child-profile-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.child-profile-name {
    font-weight: 600;
    color: var(--section-title);
    font-size: 1.1rem;
}

.child-profile-age {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.child-profile-pediatrician {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.primary-indicator {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.625rem;
    border-radius: 6px;
    margin-left: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Enhanced Button Styles */
.child-profile-btn,
.auth-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    margin-top: 1.25rem;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
}

.child-profile-btn:hover,
.auth-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
}

/* Auth status messages */
.auth-status {
    margin-top: 0.5rem;
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
    text-align: center;
    display: none;
}

.auth-status:not(:empty) {
    display: block;
}

.auth-status.error {
    background-color: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.auth-status.success {
    background-color: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

.auth-status.info {
    background-color: #e6f3ff;
    color: #0066cc;
    border: 1px solid #b3d9ff;
}

.edit-child-btn,
.delete-child-btn {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.edit-child-btn {
    background: var(--info-color);
    color: white;
}

.edit-child-btn:hover {
    background: var(--info-hover);
    transform: translateY(-1px);
}

.delete-child-btn {
    background: var(--danger-color);
    color: white;
}

.delete-child-btn:hover {
    background: var(--danger-hover);
    transform: translateY(-1px);
}

/* Enhanced Loading Animation */
.pacifier-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem auto;
}

.pacifier {
    width: 64px;
    height: 64px;
    position: relative;
    animation: spin 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.pacifier:before {
    content: "";
    position: absolute;
    width: 44px;
    height: 44px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 10px;
    left: 10px;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.pacifier:after {
    content: "";
    position: absolute;
    width: 24px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 12px;
    top: 26px;
    left: -6px;
    transform: rotate(45deg);
    box-shadow:
        52px -10px 0 0 var(--primary-color),
        42px 32px 0 -2px var(--warning-color);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive Design Enhancements */
@media (max-width: 768px) {
    .app-container {
        margin: 0;
        border-radius: 0;
        box-shadow: none;
    }
    
    .header {
        padding: 1.25rem 1rem;
        gap: 0.5rem;
    }
    
    .logo {
        display: none;
    }
    
    /* Signed-in indicator mobile styles */
    .signed-in-indicator {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
        margin-right: 0.5rem;
    }
    
    .signed-in-text {
        display: none; /* Hide text on mobile, show only icon */
    }
    
    .signed-in-icon {
        font-size: 1rem;
    }
    
    .main-content {
        padding: 2rem 1.25rem;
    }
    
    .welcome-content h2 {
        font-size: 1.75rem;
    }
    
    .emergency-buttons {
        flex-direction: column;
        width: 100%;
        align-items: center; /* Center emergency buttons on mobile */
    }
    
    .emergency-btn {
        width: 100%;
        max-width: 400px;
        margin: 0 auto; /* Center individual emergency buttons */
    }
    
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }
    
    .upgrade-footer {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
        padding: 0.875rem 1.25rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1rem 0.75rem;
    }
    
    .menu-toggle {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .emergency-call-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .main-content {
        padding: 2rem 1rem; /* Standard padding for main content */
        padding-top: 0.5rem !important; /* Minimal top padding for iPhone */
    }
    
    /* Dramatically reduce chat header spacing on iPhone */
    .chat-header {
        padding: 0.25rem 0 !important; /* Much smaller padding */
        margin-bottom: 0.5rem !important; /* Much smaller margin */
        border-bottom: 1px solid var(--border-color) !important; /* Thinner border */
    }
    
    .back-btn {
        padding: 0.4rem 0.8rem !important;
        font-size: 0.8rem !important;
    }
    
    .chat-status {
        font-size: 0.85rem !important;
    }
    
    /* Ensure chat messages start closer to header */
    .chat-messages {
        padding-top: 0.5rem !important; /* Reduced from 1.5rem */
    }
    
    /* Force refresh by adding timestamp-based rule */
    .chat-interface::before {
        content: '' !important;
        display: block !important;
        height: 0 !important;
        /* This forces a style recalculation */
    }
    
    /* Center the emergency button in main content on iPhone */
    .centered-emergency {
        text-align: center !important;
        margin-bottom: 0.5rem !important; /* Reduced from 2rem */
        padding: 0.25rem 0 !important; /* Reduced from 1rem */
    }
    
    .centered-emergency .emergency-call-btn {
        display: inline-block !important;
        margin: 0 auto !important;
    }
    
    .welcome-content h2 {
        font-size: 1.5rem;
    }
    
    .welcome-content p {
        font-size: 1rem;
    }
    
    .message {
        max-width: 90%;
        padding: 1rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .input-group {
        padding: 0.5rem;
    }
    
    #messageInput {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    
    #sendBtn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .voice-btn {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
}

/* Dark Mode Specific Enhancements */
body.dark-mode .message.ai {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-color: #475569;
    color: var(--text-color);
}

body.dark-mode .quick-responses {
    background: var(--app-bg);
    border-color: var(--border-color);
}

body.dark-mode .input-group {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode #messageInput {
    background: var(--app-bg);
    color: var(--text-color);
}

body.dark-mode .modal-content {
    background: var(--app-bg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

body.dark-mode .disclaimer-checkbox {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode .child-profile-item {
    background: var(--card-bg);
}

body.dark-mode .scenario-btn {
    background: var(--card-bg);
}

body.dark-mode .scenario-btn:hover {
    background: var(--card-hover-bg);
}

/* Enhanced Emergency Modal Styles */
.emergency-modal-content {
    max-width: 600px;
    padding: 2rem;
    /* Allow content to be naturally sized but limit to viewport */
    max-height: calc(90vh - 4rem);
    overflow-y: auto;
    /* Add margin to ensure content doesn't touch viewport edges */
    margin: 0 auto;
    /* Ensure content is scrollable if needed */
    position: relative;
    /* Ensure the modal content itself can scroll */
    display: flex;
    flex-direction: column;
    /* Force minimum height to show content */
    min-height: 0;
    /* Ensure proper spacing between sections */
    gap: 1rem;
}

.emergency-contacts {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    /* Allow content to grow as needed */
    flex: 1 1 auto;
    /* Ensure all content is visible */
    min-height: 0;
    /* Remove individual scroll, let parent handle it */
    overflow: visible;
    /* Ensure proper spacing */
    padding-bottom: 1rem;
}

.contact-item {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px var(--shadow-hover);
    transform: translateY(-2px);
}

.contact-item:hover::before {
    opacity: 1;
}

.contact-item.urgent {
    border-color: var(--danger-color);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, var(--card-bg) 100%);
}

.contact-item.urgent::before {
    background: var(--danger-color);
    opacity: 1;
}

.contact-item.urgent:hover {
    border-color: var(--danger-hover);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.2);
}

.contact-header {
    margin-bottom: 1.25rem;
}

.contact-header h4 {
    color: var(--section-title);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    min-height: 52px;
}

.contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.contact-btn:hover::before {
    left: 100%;
}

.btn-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.btn-text {
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Emergency Button Styles */
.contact-btn.emergency {
    background: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-hover) 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
    font-size: 1.1rem;
    padding: 1.25rem 2rem;
}

.contact-btn.emergency:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
}

.contact-btn.emergency:active {
    transform: translateY(0);
}

/* Poison Control Button */
.contact-btn.poison-control {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

.contact-btn.poison-control:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
}

/* Pediatrician Button Styles */
.contact-btn.pediatrician {
    background: linear-gradient(135deg, var(--info-color) 0%, var(--info-hover) 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.contact-btn.pediatrician:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.pediatrician-options {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* When only one button is shown (non-iOS devices), make it full width */
.pediatrician-options > .contact-btn:only-child {
    width: 100%;
}

.contact-btn.pediatrician-call {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--secondary-hover) 100%);
    color: white;
    flex: 1;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.contact-btn.pediatrician-call:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.contact-btn.pediatrician-video {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    flex: 1;
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.2);
}

.contact-btn.pediatrician-video:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

/* Hospital Button Styles */
.contact-btn.hospital-finder {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
    /* Ensure hospital button is always visible */
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    min-height: 60px;
    font-size: 1.1rem;
    font-weight: 700;
    /* iPhone compatibility fixes */
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(124, 58, 237, 0.2);
    cursor: pointer;
    position: relative;
    z-index: 10;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.contact-btn.hospital-finder:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
}

/* iPhone-specific active state */
.contact-btn.hospital-finder:active {
    transform: translateY(0);
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-color) 100%);
}

/* Ensure emergency modal content can scroll properly */
.emergency-modal-content {
    max-height: 90vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Emergency Footer */
.emergency-footer {
    border-top: 2px solid var(--border-color);
    padding-top: 1.5rem;
    margin-top: 2rem;
    /* Ensure footer stays at bottom and doesn't overlap content */
    position: relative;
    z-index: 1;
    clear: both;
    /* Fix the layout to prevent overlapping with hospital buttons */
    order: 999;
    flex-shrink: 0;
}

.emergency-disclaimer {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    padding: 1rem;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    text-align: center;
}

.emergency-disclaimer strong {
    color: var(--danger-color);
}

/* Responsive Emergency Modal */
@media (max-width: 768px) {
    .emergency-modal-content {
        max-width: 95%;
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .contact-item {
        padding: 1.25rem;
    }
    
    .contact-header h4 {
        font-size: 1.1rem;
    }
    
    .contact-btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .contact-btn.emergency {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .hospital-actions,
    .pediatrician-options {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .contact-btn.hospital-finder,
    .contact-btn.my-hospital,
    .contact-btn.pediatrician-call,
    .contact-btn.pediatrician-video {
        flex: none;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .emergency-modal-content {
        padding: 1rem;
        margin: 0.5rem;
    }
    
    .contact-item {
        padding: 1rem;
    }
    
    .contact-header h4 {
        font-size: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .contact-description {
        font-size: 0.85rem;
    }
    
    .contact-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        min-height: 48px;
        /* iPhone-specific touch fixes */
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0,0,0,0.1);
        cursor: pointer;
    }
    
    /* iPhone-specific clickable area fixes */
    .emergency-link,
    .poison-link,
    .hospital-link {
        touch-action: manipulation !important;
        -webkit-tap-highlight-color: rgba(0,0,0,0.1) !important;
        cursor: pointer !important;
        min-height: 80px !important;
        display: block !important;
        position: relative !important;
        z-index: 10 !important;
    }
    
    .emergency-link:active,
    .poison-link:active,
    .hospital-link:active {
        background-color: rgba(0,0,0,0.05) !important;
    }
    
    /* iPhone-specific hospital button fixes */
    .contact-btn.hospital-finder {
        min-height: 60px !important;
        font-size: 1rem !important;
        padding: 1rem 1.5rem !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        touch-action: manipulation !important;
        -webkit-tap-highlight-color: rgba(124, 58, 237, 0.2) !important;
        cursor: pointer !important;
        /* Ensure button is above other elements */
        position: relative !important;
        z-index: 10 !important;
    }
    
    .btn-icon {
        font-size: 1.1rem;
    }
    
    .emergency-disclaimer {
        font-size: 0.85rem;
        padding: 0.875rem;
    }
    
    /* Ensure emergency modal scrolls properly on iPhone */
    .emergency-modal-content {
        max-height: 85vh !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
}

/* Dark Mode Emergency Modal */
body.dark-mode .contact-item {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode .contact-item.urgent {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, var(--card-bg) 100%);
    border-color: var(--danger-color);
}

body.dark-mode .hospital-note {
    background: var(--category-tab-bg);
    border-left-color: var(--info-color);
}

body.dark-mode .emergency-disclaimer {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.08) 100%);
    border-color: rgba(239, 68, 68, 0.3);
}

/* Geolocation Button Animations */
#nearestHospitalBtn {
    position: relative;
    overflow: hidden;
}

#nearestHospitalBtn.loading {
    pointer-events: none;
    opacity: 0.8;
}

#nearestHospitalBtn.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: geolocate-spin 0.8s linear infinite;
}

#nearestHospitalBtn.loading .btn-text {
    opacity: 0;
}

@keyframes geolocate-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Location Success Animation */
.location-success {
    animation: location-pulse 0.6s ease-out;
}

@keyframes location-pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
    }
}

/* Location Success Icon */
.location-success-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    color: var(--success-color);
    animation: success-fade-in 0.4s ease-out;
}

@keyframes success-fade-in {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Geolocation Error States */
#nearestHospitalBtn.error {
    background: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-hover) 100%);
    animation: error-shake 0.5s ease-out;
}

@keyframes error-shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Responsive adjustments for geolocation button */
@media (max-width: 768px) {
    #nearestHospitalBtn.loading::before {
        width: 18px;
        height: 18px;
        margin: -9px 0 0 -9px;
    }
    
    .location-success-icon {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    #nearestHospitalBtn.loading::before {
        width: 16px;
        height: 16px;
        margin: -8px 0 0 -8px;
        border-width: 1.5px;
    }
    
    .location-success-icon {
        font-size: 1.2rem;
    }
}

/* Dark mode adjustments for geolocation */
body.dark-mode #nearestHospitalBtn.loading::before {
    border-color: rgba(255, 255, 255, 0.2);
    border-top-color: rgba(255, 255, 255, 0.9);
}

body.dark-mode .location-success-icon {
    color: var(--success-color);
    filter: brightness(1.2);
}

/* iPhone-specific deeper header styles */
@media (max-width: 480px) {
    .header {
        padding: 3.575rem 0.75rem 1rem 0.75rem !important; /* Increased bottom padding for more separation */
        min-height: 120px !important; /* Increased minimum height for better spacing */
        padding-bottom: calc(1rem + 25px) !important; /* Increased bottom padding */
    }
    
    .menu-toggle {
        margin-top: 0 !important; /* Reset any existing margin */
    }
    
    #authButtonContainer {
        margin-top: 0 !important; /* Reset any existing margin */
    }
}

/* Checkbox styles for primary pediatrician selection */
.checkbox-group {
    margin: 1rem 0;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.checkbox-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color, #3b82f6);
    cursor: pointer;
}

.checkbox-container label {
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary, #1f2937);
}

.checkbox-description {
    font-size: 0.875rem;
    color: var(--text-secondary, #6b7280);
    margin: 0;
    padding-left: 1.5rem;
    line-height: 1.4;
}

/* Dark mode checkbox styles */
body.dark-mode .checkbox-container label {
    color: var(--text-color);
}

body.dark-mode .checkbox-description {
    color: var(--text-secondary);
}

/* Product Recommendations Styles */
.product-recommendations,
#productRecommendations {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin: 0.125rem 0 !important;
    padding: 0.5rem !important;
    box-shadow: 0 2px 8px var(--shadow-color);
}

/* Override hidden class for product recommendations when they have content */
.product-recommendations:not(:empty) {
    display: block !important;
}

/* Only hide when explicitly marked as hidden AND empty */
.product-recommendations.hidden:empty {
    display: none !important;
}

.recommendations-header {
    margin-bottom: 1rem;
}

.recommendations-header h3 {
    color: var(--primary-color);
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.recommendations-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1rem 0;
}

.product-item {
    background: var(--app-bg);
    border-radius: 8px;
    padding: 1rem;
    border-left: 3px solid var(--primary-color);
    transition: all 0.2s ease;
}

.product-item:hover {
    background: var(--card-hover-bg);
    transform: translateX(2px);
}

.product-name {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.product-explanation {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.recommendations-footer {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
}

/* Essentials Link Styles */
.recommendations-link {
    margin: 1rem 0;
}

.essentials-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
    border: none;
    cursor: pointer;
}

.essentials-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
    text-decoration: none;
    color: white;
}

.essentials-link:active {
    transform: translateY(0);
}

.link-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.link-text {
    flex: 1;
    text-align: center;
}

.link-arrow {
    font-size: 1.1rem;
    font-weight: bold;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.essentials-link:hover .link-arrow {
    transform: translateX(4px);
}

.recommendations-loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 1.5rem;
    font-style: italic;
    font-size: 0.95rem;
}

/* Chat Interface Layout Fix */
.chat-interface {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 120px);
    position: relative;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0; /* Reduced from 1.5rem to 1rem for tighter spacing */
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Reduced from 1.75rem to 1rem for tighter spacing */
    scroll-behavior: smooth;
    /* Ensure proper spacing for product recommendations */
    margin-bottom: 0;
}

/* Streamlined spacing rules */
.chat-interface .chat-input-container,
.chat-input-container {
    padding-top: 0.25rem !important;
    margin-top: auto;
}

.chat-interface .product-recommendations,
.chat-interface #productRecommendations,
.chat-input-container + .product-recommendations,
.chat-input-container + #productRecommendations {
    margin: 0.125rem 0 !important;
    padding: 0.5rem !important;
}

/* Dark mode product recommendations */
body.dark-mode .product-recommendations {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode .product-item {
    background: var(--app-bg);
}

body.dark-mode .product-item:hover {
    background: var(--card-hover-bg);
}

body.dark-mode .recommendations-footer {
    border-top-color: var(--border-color);
}

/* Responsive adjustments for product recommendations */
@media (max-width: 768px) {
    .product-recommendations {
        margin: 0.125rem 0 !important;
        padding: 0.5rem !important;
    }
    
    .product-item {
        padding: 0.875rem;
    }
    
    .product-name {
        font-size: 0.95rem;
    }
    
    .product-explanation {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .product-recommendations {
        margin: 0.125rem 0 !important;
        padding: 0.5rem !important;
    }
    
    .recommendations-header h3 {
        font-size: 1.1rem;
    }
    
    .product-item {
        padding: 0.75rem;
    }
    
    .essentials-link {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .link-icon {
        font-size: 1.1rem;
    }
    
    .link-arrow {
        font-size: 1rem;
    }
}

/* Dark mode essentials link */
body.dark-mode .essentials-link {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

body.dark-mode .essentials-link:hover {
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
}

/* Ultra-high specificity rules to force minimal spacing on ALL devices */
.app-container .chat-interface .chat-input-container,
.app-container .main-content .chat-interface .chat-input-container,
body .app-container .chat-interface .chat-input-container {
    padding-top: 0 !important;
    margin-top: 0 !important;
    border-top-width: 1px !important;
}

.app-container .chat-interface .chat-input-container .input-group,
.app-container .main-content .chat-interface .chat-input-container .input-group,
body .app-container .chat-interface .chat-input-container .input-group {
    padding: 0.25rem !important;
    margin: 0 !important;
}

.app-container .chat-interface .product-recommendations,
.app-container .chat-interface #productRecommendations,
.app-container .main-content .chat-interface .product-recommendations,
.app-container .main-content .chat-interface #productRecommendations,
body .app-container .chat-interface .product-recommendations,
body .app-container .chat-interface #productRecommendations {
    margin: 0 !important;
    padding: 0.25rem !important;
}

/* Force minimal spacing on ALL screen sizes */
@media screen and (min-width: 1px) {
    .chat-input-container {
        padding-top: 0 !important;
        margin-top: 0 !important;
        border-top-width: 1px !important;
    }
    
    .input-group {
        padding: 0.25rem !important;
        margin: 0 !important;
    }
    
    .product-recommendations,
    #productRecommendations {
        margin: 0 !important;
        padding: 0.25rem !important;
    }
    
    .chat-input-container + .product-recommendations,
    .chat-input-container + #productRecommendations {
        margin-top: 0 !important;
        margin-bottom: 0 !important;
    }
}