/* Base Layout and Component Styles - DRY, KISS, YAGNI compliant */

/* Design System Variables */
:root {
    /* Brand Colors */
    --primary-color: #1a4789;
    --secondary-color: #ff5500;
    --accent-color: #4db0e1;
    --background-color: #f5f2ea;
    --light-color: #ffffff;
    --dark-color: #333333;
    --border-color: #e9ecef;
    --text-muted: #6c757d;
    --light-beige: #f5ede3;

    /* Color System */
    --primary-100: #dbeafe;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --slate-500: #64748b;
    --slate-700: #334155;
    --emerald-100: #d1fae5;
    --emerald-600: #059669;
    --amber-100: #fef3c7;
    --amber-600: #d97706;

    /* Layout System */
    --navbar-height: 56px;
    --navbar-height-mobile: 48px;
    --navbar-height-small: 44px;

    /* Touch Targets */
    --touch-target: 44px;
    --touch-target-small: 36px;

    /* Logo Sizing */
    --logo-height-desktop: 50px;
    --logo-height-tablet: 38px;
    --logo-height-mobile: 30px;
    --logo-height-small: 26px;
    --logo-max-width-desktop: 180px;
    --logo-max-width-tablet: 130px;
    --logo-max-width-mobile: 100px;
    --logo-max-width-small: 90px;

    /* Footer Logo */
    --footer-logo-height: 18px;
    --footer-logo-max-width: 70px;

    /* Animations */
    --hover-scale: 1.02;
    --help-button-scale: 1.08;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Base Layout */
body {
    background: radial-gradient(circle, rgba(245, 237, 227, 1) 40%, rgba(148, 187, 233, 1) 100%);
    background-attachment: fixed;
    color: var(--dark-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: var(--navbar-height);
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
    font-size: 16px; /* Prevent iOS zoom */
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* Mobile Enhancements */
@supports (padding: max(0px)) {
    body {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
    .navbar {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
}

/* Touch Interactions */
.btn, .nav-link, .sidebar-item {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

.message {
    -webkit-tap-highlight-color: transparent;
}

.message-content {
    -webkit-user-select: text;
    user-select: text;
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(25px) saturate(200%);
    -webkit-backdrop-filter: blur(25px) saturate(200%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    height: var(--navbar-height);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(30px) saturate(220%);
    -webkit-backdrop-filter: blur(30px) saturate(220%);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
    transition: transform var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(var(--hover-scale));
}

.navbar-brand .main-logo {
    height: var(--logo-height-desktop);
    max-width: var(--logo-max-width-desktop);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Feedback Link - highlighted on the top-left of the navbar */
.navbar-feedback-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.75rem;
    text-decoration: none;
    background: linear-gradient(135deg, var(--secondary-color), #ff914d);
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.6);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.navbar-feedback-link:hover {
    background: linear-gradient(135deg, #ff914d, var(--secondary-color));
    color: #ffffff !important;
    transform: translateY(-1px) scale(1.03);
}

.navbar-feedback-link:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.16);
}

.navbar-nav .nav-link {
    color: var(--primary-color) !important;
    font-weight: 500;
    transition: color var(--transition-normal), background-color var(--transition-normal), transform var(--transition-fast);
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.navbar-nav .nav-link:hover {
    color: var(--secondary-color) !important;
    background: rgba(255, 85, 0, 0.1);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    background: rgba(26, 71, 137, 0.15);
    font-weight: 600;
    color: var(--primary-color) !important;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(77, 176, 225, 0.25);
}

/* Help Button */
.help-button {
    background: rgba(77, 176, 225, 0.15);
    border: 1px solid rgba(77, 176, 225, 0.4);
    color: var(--accent-color);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    margin-left: 10px;
    transition: background-color var(--transition-normal), color var(--transition-normal), transform var(--transition-fast);
}

.help-button:hover {
    color: white;
    background: var(--accent-color);
    transform: scale(var(--help-button-scale));
}

/* Chat Interface */
.message-container {
    height: 65vh;
    overflow-y: auto;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.05);
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.message-container::-webkit-scrollbar {
    width: 4px;
}

.message-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

.user-message, .assistant-message {
    margin-bottom: 1.5rem;
    max-width: 80%;
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
}

.user-message {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    border-radius: 1rem 1rem 0 1rem;
    align-self: flex-end;
    margin-left: auto;
}

.assistant-message {
    background-color: var(--background-color);
    color: var(--dark-color);
    padding: 1.5rem;
    border-radius: 1rem 1rem 1rem 0;
    border-left: 3px solid var(--primary-color);
    line-height: 1.7;
}

/* Chat Input */
.chat-input {
    border-radius: 2rem;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid #e9ecef;
    font-size: 1rem;
}

.chat-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.25rem rgba(77, 176, 225, 0.25);
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    -webkit-appearance: none;
}

.chat-input:focus:not(:focus-visible) {
    outline: none;
}

/* Sidebar */
.sidebar {
    background-color: var(--background-color);
    border-right: 1px solid var(--border-color);
    height: calc(100vh - 200px);
    overflow-y: auto;
    box-shadow: 0.125rem 0 0.5rem rgba(0, 0, 0, 0.05);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

.sidebar-item {
    border-bottom: 1px solid #f5f5f5;
    padding: 0.75rem 1rem;
    transition: background-color var(--transition-fast);
}

.sidebar-item:hover {
    background-color: var(--light-color);
}

.sidebar-item.active {
    background-color: var(--light-color);
    border-left: 3px solid var(--secondary-color);
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border-radius: 0.5rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: #399cc9;
    border-color: #399cc9;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Profile Menu & Dropdown Menus */
.profile-menu.dropdown-menu,
.navbar .dropdown-menu {
    width: 280px;
    padding: 8px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--light-color);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.1);
}

/* Mobile - ensure all dropdown menus have solid white background */
@media (max-width: 768px) {
    .navbar .dropdown-menu,
    .navbar .dropdown-menu.show,
    .navbar .dropdown-menu.dropdown-menu-end,
    .profile-menu.dropdown-menu,
    .profile-menu.dropdown-menu.show,
    .profile-menu.dropdown-menu.dropdown-menu-end,
    .dropdown-menu,
    .dropdown-menu.show {
        background: var(--light-color) !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }
}

.profile-menu .profile-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px 10px 12px;
}

.profile-menu .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--background-color), var(--light-beige));
    color: var(--primary-color);
    font-weight: 600;
    border: 1px solid var(--border-color);
}

.profile-menu .identity {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.profile-menu .identity .name {
    font-weight: 600;
    color: var(--dark-color);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-menu .identity .email {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-menu .menu-divider {
    margin: 6px 0;
    border-top: 1px solid var(--border-color);
    opacity: 0.9;
}

.profile-menu .menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    color: var(--dark-color);
    text-decoration: none;
}

.profile-menu .menu-item:hover {
    background: linear-gradient(135deg, rgba(26, 71, 137, 0.08) 0%, rgba(77, 176, 225, 0.05) 100%);
    text-decoration: none;
}

.profile-menu .menu-item .left {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.profile-menu .menu-item .menu-icon {
    font-size: 1.05rem;
    color: var(--primary-color);
}

.profile-menu .menu-item .label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 1.5rem 0;
    font-size: 0.875rem;
    margin-top: auto;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.footer a:hover {
    color: var(--secondary-color);
    background: rgba(255, 85, 0, 0.08);
    transform: translateY(-1px);
}

.footer a:active {
    transform: translateY(0);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    line-height: 1.6;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 600;
    color: var(--dark-color);
}

.footer-logo {
    height: var(--footer-logo-height);
    max-width: var(--footer-logo-max-width);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.12));
    transition: transform var(--transition-fast);
}

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

.footer-divider {
    color: var(--border-color);
    margin: 0 0.5rem;
    opacity: 0.6;
    font-weight: 300;
}

/* Organization Dropdown */
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    min-width: 260px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 0;
    margin-top: 0.5rem;
    max-height: 360px;
    overflow-y: auto;
}

#organizationMenuItem:hover .submenu,
#organizationMenuItem:focus-within .submenu {
    display: block;
    animation: dropdownSlideIn 0.2s ease-out;
}

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

.submenu .menu-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 0.9rem;
    color: var(--slate-700);
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-left-color var(--transition-fast);
    border-left: 3px solid transparent;
    margin: 0;
    border-radius: 0;
}

.submenu .menu-item:hover {
    background: linear-gradient(90deg, var(--primary-100) 0%, white 100%);
    color: var(--primary-600);
    border-left-color: var(--primary-500);
    text-decoration: none;
}

.submenu .menu-item i {
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
    margin-right: 0.75rem;
}

.organization-badge {
    background: var(--primary-100);
    color: var(--primary-600);
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    margin-left: 0.5rem;
    font-weight: 600;
    border: 1px solid var(--primary-200);
}

.organization-badge.owner {
    background: var(--amber-100);
    color: var(--amber-600);
    border-color: var(--amber-500);
}

.organization-badge.admin {
    background: var(--emerald-100);
    color: var(--emerald-600);
    border-color: var(--emerald-500);
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }

/* Mobile Responsive Design */
@media (max-width: 768px) {
    body { padding-top: var(--navbar-height-mobile); }

    .navbar {
        height: var(--navbar-height-mobile);
        padding: 0.4rem 0;
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    }

    .navbar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: 100%;
        padding: 0 1rem;
    }

    .navbar-brand {
        padding: 0.2rem 0;
        flex-shrink: 0;
        margin-right: 1rem;
        min-width: fit-content;
    }

    .navbar-brand .main-logo {
        height: var(--logo-height-tablet);
        max-width: var(--logo-max-width-tablet);
    }

    .navbar-toggler {
        order: 3;
        margin-left: auto;
        border: none;
        padding: 0.25rem;
    }

    .navbar-collapse {
        order: 4;
        width: 100%;
        margin-top: 0.5rem;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: 12px;
        padding: 1rem;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    }

    .navbar-nav {
        width: 100%;
        justify-content: flex-start;
        gap: 0.25rem;
        flex-wrap: wrap;
    }

    .navbar-nav .nav-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
        white-space: nowrap;
        border-radius: 8px;
        min-height: var(--touch-target);
        display: flex;
        align-items: center;
    }

    .help-button {
        width: 28px;
        height: 28px;
        margin-left: 8px;
        flex-shrink: 0;
        min-height: var(--touch-target);
        min-width: var(--touch-target);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .message-container {
        height: 60vh;
        min-height: 400px;
        padding: 1rem;
        border-radius: 12px;
    }

    .user-message, .assistant-message {
        max-width: 90%;
        padding: 0.875rem 1.125rem;
    }

    .user-message { border-radius: 1.25rem 1.25rem 0.25rem 1.25rem; }
    .assistant-message { border-radius: 1.25rem 1.25rem 1.25rem 0.25rem; }

    .chat-input {
        font-size: 16px;
        padding: 0.875rem 1.125rem;
        min-height: var(--touch-target);
        border-radius: 1.25rem;
    }

    .sidebar {
        height: calc(100vh - var(--navbar-height-mobile) - 100px);
        position: relative;
        overflow-x: hidden;
    }

    .sidebar-item {
        padding: 1rem 0.875rem;
        min-height: 48px;
        font-size: 0.9rem;
    }

    .card {
        border-radius: 12px;
        margin-bottom: 1rem;
        overflow: hidden;
    }

    .footer {
        padding: 1.25rem 0;
        font-size: 0.8125rem;
        margin-top: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.875rem;
        text-align: center;
    }

    .footer-brand {
        margin-bottom: 0.5rem;
        justify-content: center;
    }

    .footer a {
        padding: 0.375rem 0.625rem;
        display: inline-block;
    }

    .footer-divider { 
        display: none !important; 
    }

    .submenu {
        min-width: 280px;
        max-width: 90vw;
        right: -1rem;
    }

    .profile-menu.dropdown-menu,
    .navbar .dropdown-menu {
        width: 320px;
        max-width: 90vw;
        right: 0;
    }

    @supports (padding: max(0px)) {
        .navbar {
            padding-left: max(0.5rem, env(safe-area-inset-left));
            padding-right: max(0.5rem, env(safe-area-inset-right));
        }
    }
}

@media (max-width: 576px) {
    body { padding-top: var(--navbar-height-small); }

    .navbar {
        height: var(--navbar-height-small);
        padding: 0.3rem 0;
    }

    .navbar .container { padding: 0 0.75rem; }

    .navbar-brand .main-logo {
        height: var(--logo-height-mobile);
        max-width: var(--logo-max-width-mobile);
    }

    .navbar-nav .nav-link {
        font-size: 0.75rem;
        padding: 0.35rem 0.6rem;
        min-height: var(--touch-target-small);
    }

    .help-button {
        width: 24px;
        height: 24px;
        margin-left: 6px;
        min-height: var(--touch-target-small);
        min-width: var(--touch-target-small);
    }

    .navbar-collapse {
        padding: 0.75rem;
        margin-top: 0.25rem;
    }

    .message-container {
        height: 55vh;
        min-height: 350px;
        padding: 0.75rem;
        border-radius: 8px;
    }

    .user-message, .assistant-message {
        max-width: 95%;
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }

    .user-message { border-radius: 1rem 1rem 0.25rem 1rem; }
    .assistant-message { border-radius: 1rem 1rem 1rem 0.25rem; }

    .chat-input {
        padding: 0.75rem 1rem;
        font-size: 16px;
        border-radius: 1rem;
    }

    .sidebar {
        height: calc(100vh - var(--navbar-height-small) - 80px);
    }

    .sidebar-item {
        padding: 0.875rem 0.75rem;
        font-size: 0.875rem;
    }

    .footer {
        padding: 1rem 0;
        font-size: 0.75rem;
    }

    .footer a {
        padding: 0.375rem 0.5rem;
        font-size: 0.75rem;
    }

    .submenu {
        min-width: 260px;
        max-width: 85vw;
        right: -0.5rem;
    }

    .profile-menu.dropdown-menu,
    .navbar .dropdown-menu {
        width: 280px;
        max-width: 85vw;
    }

    .card {
        border-radius: 8px;
        margin-bottom: 0.75rem;
    }

    .btn {
        min-height: var(--touch-target);
        font-size: 0.875rem;
    }
}

@media (max-width: 400px) {
    .navbar { padding: 0.2rem 0; }

    .navbar .container { padding: 0 0.5rem; }

    .navbar-brand .main-logo {
        height: var(--logo-height-small);
        max-width: var(--logo-max-width-small);
    }

    .navbar-nav .nav-link {
        font-size: 0.7rem;
        padding: 0.3rem 0.5rem;
        min-height: 36px;
        border-radius: 6px;
    }

    .help-button {
        width: 20px;
        height: 20px;
        margin-left: 4px;
        min-height: 36px;
        min-width: 36px;
    }

    .navbar-collapse {
        padding: 0.5rem;
        margin-top: 0.25rem;
    }

    .message-container {
        height: 50vh;
        min-height: 300px;
        padding: 0.5rem;
        border-radius: 6px;
    }

    .user-message, .assistant-message {
        max-width: 98%;
        padding: 0.625rem 0.75rem;
        font-size: 0.9rem;
        line-height: 1.4;
    }

    .user-message { border-radius: 0.875rem 0.875rem 0.25rem 0.875rem; }
    .assistant-message {
        border-radius: 0.875rem 0.875rem 0.875rem 0.25rem;
        padding-left: 0.875rem;
    }

    .chat-input {
        padding: 0.625rem 0.75rem;
        font-size: 16px;
        border-radius: 0.875rem;
    }

    .sidebar {
        height: calc(100vh - var(--navbar-height-small) - 60px);
    }

    .sidebar-item {
        padding: 0.75rem 0.5rem;
        font-size: 0.8rem;
        min-height: var(--touch-target);
    }

    .footer {
        padding: 0.875rem 0;
        font-size: 0.7rem;
    }

    .footer a {
        padding: 0.3rem 0.45rem;
        font-size: 0.7rem;
    }

    .footer-content {
        gap: 0.625rem;
    }

    .footer-brand { font-size: 0.7rem; }

    .submenu {
        min-width: 240px;
        max-width: 80vw;
        right: -0.25rem;
        border-radius: 8px;
    }

    .submenu .menu-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        min-height: var(--touch-target);
    }

    .profile-menu.dropdown-menu,
    .navbar .dropdown-menu {
        width: 260px;
        max-width: 80vw;
        border-radius: 8px;
    }

    .profile-menu .profile-header,
    .profile-menu .menu-item {
        padding: 0.5rem 0.75rem;
        min-height: var(--touch-target);
        font-size: 0.8rem;
    }

    .card {
        border-radius: 6px;
        margin-bottom: 0.5rem;
    }

    .card-body { padding: 0.75rem; }

    .btn {
        min-height: var(--touch-target);
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
        border-radius: 6px;
    }

    .btn-sm {
        min-height: var(--touch-target-small);
        font-size: 0.75rem;
        padding: 0.375rem 0.625rem;
    }

    .form-control {
        font-size: 16px;
        min-height: var(--touch-target);
        border-radius: 6px;
    }

    .form-label {
        font-size: 0.8rem;
        margin-bottom: 0.25rem;
    }

    /* Responsive typography */
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.1rem; }
    h4 { font-size: 1rem; }
    h5 { font-size: 0.9rem; }
    h6 { font-size: 0.85rem; }

    /* Improved spacing */
    .container, .container-fluid {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .row {
        margin-left: -0.25rem;
        margin-right: -0.25rem;
    }

    .col, [class*="col-"] {
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Mobile keyboard handling */
@media (max-height: 500px) and (orientation: landscape) {
    .message-container {
        height: 40vh;
        min-height: 200px;
    }
    .navbar-collapse {
        max-height: 50vh;
        overflow-y: auto;
    }
}


/* Global improvements */
img { max-width: 100%; height: auto; }
table {
    width: 100%;
    border-collapse: collapse;
}

@media (max-width: 768px) {
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

.session-title a {
    text-decoration: none;
    color: black;
}

.stretched-link {
    text-decoration: none;
}