/* Think Together Editorial System - Main Stylesheet */

/* ==========================================================================
   Variables and Colors
   ========================================================================== */
:root {
    /* Primary Colors */
    --color-primary: #C80C0F;
    --color-primary-dark: #780000;
    --color-primary-light: #9B0000;
    
    /* Semantic Colors */
    --color-success: #4CAF50;
    --color-warning: #FF9800;
    --color-danger: #F44336;
    --color-info: #2196F3;
    
    /* Neutral Colors */
    --color-text: #212121;
    --color-text-light: #757575;
    --color-background: #FAFAFA;
    --color-white: #FFFFFF;
    --color-border: #E0E0E0;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    
    /* Fonts */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
}

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

html {
    height: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================================================
   Impersonation Banner
   ========================================================================== */
.impersonation-banner {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    color: var(--color-white);
    padding: var(--spacing-sm);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.impersonation-banner .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-stop-impersonate {
    background: var(--color-white);
    color: #FF6B6B;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease;
}

.btn-stop-impersonate:hover {
    transform: scale(1.05);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-brand-logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.navbar-brand-logo img {
    display: block;
    height: 72px;
    width: auto;
}

.navbar-brand-text {
    line-height: 1;
}

@media (max-width: 1280px) {
    .navbar-brand-text {
        display: none;
    }

    .navbar-home-link {
        display: none;
    }
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar-menu a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.navbar-menu a:hover {
    color: var(--color-primary);
}

.navbar-menu a.navbar-link-active {
    color: var(--color-primary);
    font-weight: 700;
}

.navbar-toggler {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.navbar-toggler span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-text);
    border-radius: var(--radius-sm);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
}

.language-switcher form {
    margin: 0;
}

.language-switcher-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem;
    border-radius: 999px;
    background: rgba(200, 12, 15, 0.08);
    border: 1px solid rgba(200, 12, 15, 0.14);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(10px);
}

.language-option {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.9rem;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    font: inherit;
    transition: all 0.35s ease;
}

.language-option:hover {
    background: rgba(200, 12, 15, 0.08);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.language-option.active {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 8px 18px rgba(200, 12, 15, 0.22);
}

.language-option-code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 1.55rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.language-option.active .language-option-code {
    background: rgba(255, 255, 255, 0.2);
}

/* Dropdown */
.navbar-dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    color: var(--color-text);
    font-weight: 500;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-xs);
    min-width: 200px;
    z-index: 220;
    overflow: hidden;
}

.navbar-dropdown.active .dropdown-menu {
    display: block;
}

.dropdown-menu a,
.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font: inherit;
}

.dropdown-menu a:hover,
.dropdown-item:hover {
    background: var(--color-background);
}

/* ==========================================================================
   Messages
   ========================================================================== */
.messages {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
}

.message {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-width: 300px;
    cursor: pointer;
    user-select: none;
}

.message-success {
    background: var(--color-success);
    color: var(--color-white);
}

.message-error {
    background: var(--color-danger);
    color: var(--color-white);
}

.message-warning {
    background: var(--color-warning);
    color: var(--color-white);
}

.message-info {
    background: var(--color-info);
    color: var(--color-white);
}

/* ==========================================================================
   Main Content
   ========================================================================== */
.main-content {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.5s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    vertical-align: middle;
}

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

.btn-primary:hover {
    background: var(--color-primary);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 18px rgba(200, 12, 15, 0.28);
}

.btn-secondary {
    background: var(--color-text-light);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-text);
    transform: translateY(-2px) scale(1.03);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover {
    background: #d32f2f;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-container {
    max-width: 500px;
    margin: 0 auto;
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-container h1,
.form-container h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.form-container p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group-file {
    text-align: center;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group .helptext {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.form-group-file .form-help {
    display: block;
    margin-bottom: var(--spacing-md);
}

.file-upload-control {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.file-upload-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.file-upload-button {
    min-width: 180px;
    color: var(--color-white) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.file-upload-button:hover,
.file-upload-button:focus,
.file-upload-button:active {
    color: var(--color-white) !important;
}

.file-upload-filename {
    color: var(--color-text-light);
    font-size: 0.95rem;
    word-break: break-word;
    max-width: 100%;
}

.form-group .errorlist {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xs) 0 0 0;
}

.form-group .errorlist li {
    color: var(--color-danger);
    font-size: 0.875rem;
}

.form-errors {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-sm);
    background-color: #ffebee;
    border-left: 3px solid var(--color-danger);
    border-radius: var(--radius-sm);
}

.form-errors .error {
    display: block;
    color: var(--color-danger);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select,
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: var(--color-danger);
    background-color: #fff5f5;
}

.form-group.has-error label {
    color: var(--color-danger);
    font-weight: 600;
}

.form-actions {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-actions .btn {
    width: 100%;
    text-align: center;
}

.form-links {
    margin-top: var(--spacing-md);
    text-align: center;
}

.form-links a {
    color: var(--color-primary);
    text-decoration: none;
}

.form-links a:hover {
    text-decoration: underline;
}

.profile-details {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    justify-items: center;
}

.profile-details-panel {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-sm);
    text-align: center;
}

.profile-details-item {
    display: grid;
    gap: 0.25rem;
    justify-items: center;
}

.profile-details dt,
.profile-details dd {
    min-width: 0;
    text-align: center;
}

.profile-details dd {
    overflow-wrap: anywhere;
}

.form-divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.form-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border);
}

.form-divider span {
    background: var(--color-white);
    padding: 0 var(--spacing-sm);
    position: relative;
    color: var(--color-text-light);
}

/* Checkbox and Radio */
.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: auto;
    margin-right: var(--spacing-xs);
}

.form-group .checkbox-label,
.form-group .radio-label {
    display: flex;
    align-items: center;
    font-weight: normal;
}

/* ==========================================================================
   Cards
   ========================================================================== */
.dashboard-grid,
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.dashboard-hero {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.dashboard-hero h1 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.dashboard-hero .welcome {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.dashboard-card,
.info-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dashboard-card:hover,
.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.info-card-static:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}

.dashboard-grid .dashboard-card:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}

.paper-details-grid {
    display: grid;
    gap: var(--spacing-md);
}

.paper-detail-container {
    width: 100%;
}

.paper-details-item {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.paper-details-item > div {
    min-width: 0;
    overflow-wrap: anywhere;
}

.conference-highlight {
    margin: var(--spacing-lg) 0;
    background: rgba(200, 12, 15, 0.08);
    border-left: 4px solid var(--color-primary);
}

.conference-details-actions {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

/* Clickable cards - enhanced hover effect */
.clickable-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.clickable-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    background-color: #FAFAFA;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 320px;
    align-items: center;
    text-align: center;
    order: 2;
}

.footer-logo img {
    max-height: 100px;
    display: block;
}

.footer-info p,
.footer-contact p {
    margin: 0;
}

.footer-contact {
    order: 1;
    max-width: 420px;
    text-align: center;
}

.footer-contact h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-contact p + p {
    margin-top: 0.25rem;
}

.footer-contact-person-label {
    margin-top: var(--spacing-lg);
    font-weight: 700;
}

.footer-contact-person {
    margin-top: 0;
}

.footer-contact a {
    color: var(--color-white);
    text-decoration: underline;
}

.footer-contact a:hover {
    color: var(--color-white);
}

.footer-contact-person a {
    color: var(--color-white);
    text-decoration: underline;
}

.footer-contact-person a:hover {
    color: var(--color-white);
}

.footer-contact p a {
    color: var(--color-white);
    text-decoration: underline;
}

.footer-contact p a:hover {
    color: var(--color-white);
}

.footer-copyright {
    order: 3;
    text-align: center;
    opacity: 0.9;
    margin-top: calc(var(--spacing-sm) * -0.25);
}

.footer-copyright p {
    margin: 0;
    font-size: 0.875rem;
}

/* ==========================================================================
   Landing Page
   ========================================================================== */
.hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero h1 {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.conference-info h2 {
    text-align: center;
}

.lead {
    font-size: 1.25rem;
    color: var(--color-text-light);
}

/* ========================================================================== */
/* Conference About Page */
/* ========================================================================== */
.conference-about {
    max-width: 1120px;
    margin: 0 auto;
}

.conference-about-hero {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(200, 12, 15, 0.08), rgba(200, 12, 15, 0.02));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.conference-about-kicker {
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(200, 12, 15, 0.12);
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.conference-about-hero h1 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.conference-about-lead {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--color-text-light);
}

.conference-about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    align-items: start;
}

.conference-about-main,
.conference-about-sidebar {
    display: grid;
    gap: var(--spacing-md);
}

.conference-about-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(200, 12, 15, 0.08);
}

.conference-about-card h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.conference-about-card p + p,
.conference-about-list li + li {
    margin-top: 0.6rem;
}

.conference-about-list {
    padding-left: 1.1rem;
    color: var(--color-text);
}

.conference-about-card--accent {
    background: rgba(200, 12, 15, 0.05);
    border-left: 4px solid var(--color-primary);
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
}

.guide-card h2 {
    margin-bottom: var(--spacing-sm);
}

.guide-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(200, 12, 15, 0.06);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.guide-note p {
    margin: 0;
    color: var(--color-text);
}

.guide-video-placeholder {
    margin: var(--spacing-md) 0;
    padding: 0;
    border: 0;
    border-radius: var(--radius-lg);
    text-align: center;
}

.guide-video-embed {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 0;
    border-radius: var(--radius-md);
    background: #000;
}

.guide-video-badge {
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    background: rgba(200, 12, 15, 0.12);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.guide-video-placeholder p {
    margin: 0;
    color: var(--color-text-light);
}

.conference-about-card a {
    color: var(--color-text);
    text-decoration: underline;
}

.conference-about-card a:hover {
    color: var(--color-primary);
}

.conference-about-card p a {
    color: var(--color-text);
    text-decoration: underline;
}

.conference-about-card p a:hover {
    color: var(--color-primary);
}

.quick-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 920px) {
    .navbar-toggler {
        display: flex;
    }
    
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        z-index: 180;
    }

    .navbar-brand {
        gap: 0.5rem;
    }

    .navbar-brand-logo img {
        height: 56px;
    }
    
    .navbar-menu.active {
        display: flex;
    }

    .navbar-menu > a,
    .navbar-dropdown,
    .language-switcher,
    .notification-bell-container {
        width: 100%;
    }

    .navbar-menu > a {
        text-align: center;
    }

    .navbar-dropdown {
        z-index: 5;
    }

    .navbar-dropdown.active {
        z-index: 15;
    }

    .dropdown-toggle {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-sm) var(--spacing-md);
        border: 1px solid rgba(200, 12, 15, 0.14);
        border-radius: var(--radius-md);
        background: rgba(200, 12, 15, 0.04);
    }

    .dropdown-menu {
        position: absolute;
        bottom: calc(100% + var(--spacing-sm));
        top: auto;
        left: 0;
        right: 0;
        margin-top: 0;
        width: 100%;
        min-width: 0;
        border: 1px solid rgba(200, 12, 15, 0.1);
        box-shadow: var(--shadow-sm);
        z-index: 220;
    }

    .language-switcher,
    .notification-bell-container {
        display: flex;
        justify-content: center;
    }

    .notification-bell-container {
        align-items: center;
    }

    .hero h1 {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        align-items: center;
    }

    .language-switcher-pill {
        gap: 0.15rem;
        padding: 0.2rem;
    }

    .language-option {
        padding: 0.45rem 0.75rem;
    }

    .language-option-name {
        font-size: 0.9rem;
    }

    .footer-brand {
        max-width: 280px;
        margin-top: var(--spacing-sm);
    }

    .footer-contact {
        max-width: 320px;
    }

    .footer-logo img {
        margin: 0 auto;
    }

    .form-container {
        padding: var(--spacing-md);
        margin: var(--spacing-md);
    }

    .form-container h1 {
        font-size: 1.5rem;
    }

    .quick-actions {
        flex-direction: column;
    }

    .conference-about-grid {
        grid-template-columns: 1fr;
    }

    .guides-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    .paper-details-grid {
        gap: var(--spacing-sm);
    }

    .paper-detail-container {
        margin: var(--spacing-sm) 0;
        padding: var(--spacing-md);
    }

    .paper-details-item {
        grid-template-columns: 1fr;
        padding-top: var(--spacing-sm);
    }

    .messages {
        right: 0;
        left: 0;
        top: 0;
    }

    .message {
        min-width: auto;
        border-radius: 0;
    }
}

/* ==========================================================================
   Notification Bell & Popup
   ========================================================================== */
.notification-bell-container {
    position: relative;
    display: inline-block;
}

.notification-bell {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
    transition: transform 0.2s ease;
}

.notification-bell:hover {
    transform: scale(1.1);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-danger);
    color: white;
    border-radius: 50%;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0 0.3rem;
}

.notification-popup {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    width: 400px;
    max-width: 90vw;
    z-index: 1000;
}

.notification-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.notification-popup-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.notification-close:hover {
    background: var(--color-background);
    color: var(--color-text);
}

.notification-popup-content {
    max-height: 400px;
    overflow-y: auto;
}

@media (max-width: 920px) {
    .notification-bell-container {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
    }

    .notification-bell {
        margin: 0 auto;
    }

    .notification-popup {
        top: auto;
        bottom: calc(100% + var(--spacing-sm));
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        width: min(400px, calc(100vw - 2rem));
        max-width: calc(100vw - 2rem);
        margin-top: 0;
    }
}

.notification-item {
    display: block;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    text-decoration: none;
    color: inherit;
    transition: background 0.2s ease;
}

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

.notification-item:last-child {
    border-bottom: none;
}

.notification-item-content strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.notification-item-content p {
    margin: 0.25rem 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.notification-item-content small {
    color: var(--color-text-light);
    font-size: 0.8rem;
}

.notification-popup-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.notification-popup-footer .btn {
    width: 100%;
    color: var(--color-white);
}

.notification-popup-footer .btn:hover,
.notification-popup-footer .btn:focus {
    color: var(--color-white);
}

/* Mobile responsiveness for notification bell */
@media (max-width: 920px) {
    .notification-popup {
        width: 100vw;
        right: -1rem;
        border-radius: 0;
    }
}

/* ==========================================================================
   Review Configuration Table Styles
   ========================================================================== */
.review-fields-table {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.review-fields-table thead th {
    background: var(--color-background);
    border-bottom: 2px solid var(--color-border);
    padding: var(--spacing-sm);
    text-align: left;
    font-weight: 600;
    color: var(--color-text);
}

.review-fields-table tbody tr {
    border-bottom: 1px solid var(--color-border);
}

.review-fields-table tbody tr:hover {
    background-color: #F5F5F5;
}

.review-fields-table tbody tr:last-child {
    border-bottom: none;
}

.review-fields-table tbody td {
    padding: var(--spacing-sm);
}

/* Radio button styles in table */
.review-fields-table input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin: 0;
    accent-color: var(--color-primary);
}

.review-fields-table input[type="radio"]:hover {
    transform: scale(1.1);
}

/* Responsive table */
@media (max-width: 768px) {
    .review-fields-table {
        font-size: 0.875rem;
    }
    
    .review-fields-table thead th,
    .review-fields-table tbody td {
        padding: var(--spacing-xs);
    }
    
    .review-fields-table input[type="radio"] {
        width: 16px;
        height: 16px;
    }
}

/* ==========================================================================
   Translation Field Tabs - Dynamic multilingual form fields
   ========================================================================== */

.translation-field-wrapper {
    margin-bottom: var(--spacing-md);
}

.translation-field-wrapper > label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-size: 0.9375rem;
}

.translation-tabs {
    display: flex;
    gap: 0;
    margin-bottom: -1px;
    border-bottom: 2px solid var(--color-border);
    flex-wrap: wrap;
}

.translation-tab {
    background: transparent;
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
}

.translation-tab:hover {
    color: var(--color-primary);
    background: rgba(200, 12, 15, 0.05);
}

.translation-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
    background: rgba(200, 12, 15, 0.03);
}

.translation-tab .tab-flag {
    font-size: 18px;
    line-height: 1;
}

.translation-tab .tab-name {
    display: inline;
}

.translation-tab .tab-name-short {
    display: none;
}

.translation-content {
    display: none;
    padding-top: var(--spacing-sm);
    animation: fadeIn 0.2s ease;
}

.translation-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.translation-content .form-group {
    margin-bottom: 0;
}

/* Hide errors and help text labels for non-active tabs */
.translation-content:not(.active) .error,
.translation-content:not(.active) small {
    display: none;
}

/* Make sure form controls are full width in tabs */
.translation-content input[type=\"text\"],
.translation-content input[type=\"email\"],
.translation-content input[type=\"url\"],
.translation-content input[type=\"number\"],
.translation-content textarea,
.translation-content select {
    width: 100%;
}

/* Highlight tabs with errors */\n.translation-field-wrapper:has(.translation-content-cs .error) .translation-tab[data-lang=\"cs\"]::after,
.translation-field-wrapper:has(.translation-content-en .error) .translation-tab[data-lang=\"en\"]::after,
.translation-field-wrapper:has(.translation-content-de .error) .translation-tab[data-lang=\"de\"]::after,
.translation-field-wrapper:has(.translation-content-fr .error) .translation-tab[data-lang=\"fr\"]::after,
.translation-field-wrapper:has(.translation-content-es .error) .translation-tab[data-lang=\"es\"]::after,
.translation-field-wrapper:has(.translation-content-it .error) .translation-tab[data-lang=\"it\"]::after,
.translation-field-wrapper:has(.translation-content-pl .error) .translation-tab[data-lang=\"pl\"]::after,
.translation-field-wrapper:has(.translation-content-sk .error) .translation-tab[data-lang=\"sk\"]::after {
    content: '⚠';
    margin-left: 4px;
    color: var(--color-danger);
    font-size: 14px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Error indication on tabs - Enhanced */
.translation-tab.has-error {
    color: var(--color-danger);
    font-weight: 700;
    position: relative;
}

.translation-tab.has-error::before {
    content: '⚠️ ';
    margin-right: 4px;
    font-size: 16px;
}

.translation-tab.has-error:not(.active) {
    animation: shake 0.5s ease;
    background: rgba(244, 67, 54, 0.1);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(0); }
    75% { transform: translateX(5px); }
}

/* Error notification */
.translation-error-notification {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-left: 4px solid #ff9800;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    animation: slideDown 0.3s ease;
    transition: opacity 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.translation-error-notification .notification-icon {
    font-size: 20px;
    flex-shrink: 0;
    line-height: 1;
}

.translation-error-notification .notification-text {
    flex: 1;
    color: #856404;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
}

.translation-error-notification .notification-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #856404;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.2s ease, transform 0.2s ease;
}

.translation-error-notification .notification-close:hover {
    color: #533f03;
    transform: scale(1.1);
}

/* Enhanced error visibility */
.translation-content:not(.active) .error,
.translation-content:not(.active) .errorlist,
.translation-content:not(.active) small.error {
    display: none;
}

/* But keep the field styling to indicate error state */
.translation-content:not(.active) input.error,
.translation-content:not(.active) textarea.error,
.translation-content:not(.active) select.error {
    border-color: var(--color-danger);
    background: rgba(244, 67, 54, 0.05);
}

/* Mobile responsive tabs */
@media (max-width: 768px) {
    .translation-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    
    .translation-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        white-space: nowrap;
    }
    
    .translation-tab .tab-name {
        display: none;
    }
    
    .translation-tab .tab-name-short {
        display: inline;
        font-weight: 600;
    }
}

@media (max-width: 480px) {
    .translation-tab {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .translation-tab .tab-flag {
        font-size: 16px;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .impersonation-banner {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        overflow: hidden !important;
        margin: 0 !important;
        padding: 0 !important;
    }
}