/* ========================================
   BRANDING VARIABLES - EASY CUSTOMIZATION
   Edit these variables to match your brand
   ======================================== */

:root {
    /* Brand Colors - Change these to match your brand */
    --primary-color: #1a1a1a;           /* Main brand color (dark) */
    --primary-light: #2d2d2d;           /* Lighter shade of primary */
    --accent-color: #e10600;            /* Accent color (Silverstone red) */
    --accent-hover: #b80500;            /* Darker accent for hover states */

    /* Background Colors */
    --bg-primary: #ffffff;              /* Main background */
    --bg-secondary: #f8f9fa;            /* Alternate background */
    --bg-dark: #1a1a1a;                 /* Dark backgrounds */

    /* Text Colors */
    --text-primary: #1a1a1a;            /* Main text color */
    --text-secondary: #6c757d;          /* Secondary text */
    --text-light: #ffffff;              /* Light text on dark backgrounds */

    /* Neutral Colors */
    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 10px 30px var(--shadow-color);
    --focus-shadow: 0 0 0 3px rgba(225, 6, 0, 0.1);

    /* Typography - Change font family */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    --font-weight-normal: 400;
    --font-weight-medium: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Container */
    --container-max-width: 1200px;

    /* Transitions */
    --transition-speed: 0.3s;
    --transition-card: transform var(--transition-speed), box-shadow var(--transition-speed);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-hover);
}

ul {
    list-style: none;
}

/* ========================================
   LAYOUT
   ======================================== */

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

.section {
    padding: var(--spacing-xl) 0;
    scroll-margin-top: 80px; /* Base scroll margin for desktop navigation */
}

.section-alt {
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--text-primary);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow-color);
}

.header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.logo {
    height: 50px;
    width: auto;
}

.event-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
}

.nav {
    position: relative;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    transition: all var(--transition-speed);
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-light);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-speed);
}

.nav-link:hover {
    background-color: var(--primary-light);
    color: var(--text-light);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(rgba(26, 26, 26, 0.4), rgba(45, 45, 45, 0.4)), url('imgs/overview.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--text-primary);
    padding: var(--spacing-xl) 0;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.3);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: 600;
    color: #000000;
    margin-bottom: var(--spacing-xs);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.hero-details {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1rem;
    color: var(--text-primary);
}

.icon {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
}

/* ========================================
   AGENDA SECTION
   ======================================== */

.agenda-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.agenda-day {
    margin-bottom: var(--spacing-xl);
}

.agenda-day:last-child {
    margin-bottom: 0;
}

.day-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--accent-color);
    text-align: center;
}

/* General Sessions (Full Width) */
.general-sessions {
    margin-bottom: var(--spacing-lg);
}

.general-session {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--accent-color);
}

.general-session.break {
    background-color: #f0f8ff;
    border-left-color: #4a90e2;
}

.general-session .timeline-time {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.general-session .timeline-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.general-session .timeline-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

/* Dual Track Container */
.dual-track-container {
    margin-bottom: var(--spacing-lg);
}

.track-headers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.track-header {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    color: var(--text-light);
}

.track-header.customer-track {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
}

.track-header.innovation-track {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.track-header h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.track-header p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Dual Track Rows */
.dual-track-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.track-session {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 2px 10px var(--shadow-color);
    transition: var(--transition-card);
}

.track-session:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.track-session.customer-track {
    border-left: 4px solid #2c5aa0;
}

.track-session.innovation-track {
    border-left: 4px solid #059669;
}

.track-session .timeline-time {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    display: block;
}

.track-session.customer-track .timeline-time {
    color: #2c5aa0;
}

.track-session.innovation-track .timeline-time {
    color: #059669;
}

.track-session .timeline-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    line-height: 1.4;
}

.track-session .timeline-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

/* Legacy Timeline Styles (for backwards compatibility) */
.timeline {
    position: relative;
    padding-left: var(--spacing-md);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--accent-color);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 8px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: var(--accent-color);
    border: 3px solid var(--bg-primary);
}

.timeline-time {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.tag-base {
    display: inline-block;
    color: var(--text-light);
    padding: 4px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    margin: 2px 4px 2px 0;
}

.location-tag {
    background-color: var(--accent-color);
}

.speaker-tag {
    background-color: var(--primary-color);
    text-decoration: none;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.speaker-tag:hover {
    background-color: var(--primary-light);
    color: var(--text-light);
    transform: translateY(-1px);
}

.general-tag {
    background-color: #6c757d;
}

/* ========================================
   SHARED CARD STYLES
   ======================================== */

.card-base {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
}

.card-interactive {
    transition: var(--transition-card);
}

.card-interactive:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* ========================================
   SHARED GRID STYLES
   ======================================== */

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

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(var(--grid-min-width, 300px), 1fr));
}

/* ========================================
   SPEAKERS SECTION
   ======================================== */

.speakers-grid {
    --grid-min-width: 350px;
}

.speaker-card {
    scroll-margin-top: 100px; /* Base margin for desktop */
}

.speaker-image {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.speaker-avatar {
    width: 80px;
    height: 80px;
    color: var(--accent-color);
    background-color: var(--bg-secondary);
    border-radius: 50%;
    padding: var(--spacing-sm);
}

.speaker-photo {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--bg-secondary);
}

.speaker-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.speaker-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-color);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.speaker-bio {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.speaker-session {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* ========================================
   LOCATIONS SECTION
   ======================================== */

.locations-grid {
    margin-bottom: var(--spacing-xl);
}

.location-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.location-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.location-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.location-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.location-link {
    display: inline-block;
    font-weight: 600;
    color: var(--accent-color);
}

.location-link:hover {
    text-decoration: underline;
}

.map-container {
    margin-top: var(--spacing-xl);
}

.map-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.map-placeholder {
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-secondary);
}

.map-note {
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* ========================================
   INFO SECTION
   ======================================== */


.info-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.info-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.info-card ul {
    list-style: disc;
    padding-left: var(--spacing-md);
    color: var(--text-secondary);
}

.info-card ul li {
    margin-bottom: var(--spacing-xs);
}

.info-card strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact-grid {
    --grid-min-width: 250px;
    margin-bottom: var(--spacing-xl);
}

.contact-card {
    text-align: center;
}

.contact-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
    margin: 0 auto var(--spacing-sm);
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-card p {
    color: var(--text-secondary);
}

.contact-card a {
    color: var(--accent-color);
    font-weight: 600;
}

.emergency-contact {
    background-color: var(--accent-color);
    color: var(--text-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    text-align: center;
}

.emergency-contact h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.emergency-contact p {
    margin-bottom: var(--spacing-xs);
}

.emergency-contact a {
    color: var(--text-light);
    font-weight: 700;
    text-decoration: underline;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-light);
    opacity: 0.8;
    transition: opacity var(--transition-speed);
}

.footer-links a:hover {
    opacity: 1;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
        --spacing-xl: 2.5rem;
        --spacing-lg: 2rem;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
        position: absolute;
        top: -60px;
        right: 0;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-xs);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-speed) ease-out;
    }

    .nav-list.active {
        max-height: 400px;
    }

    /* Responsive scroll margins for mobile */
    .speaker-card {
        scroll-margin-top: 140px; /* Increased for mobile header height */
    }

    section[id] {
        scroll-margin-top: 120px; /* Ensure all sections have proper scroll margin on mobile */
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-details {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .section-title {
        font-size: 1.75rem;
    }

    .day-title {
        font-size: 1.5rem;
    }

    /* Mobile Agenda Styles */
    .agenda-intro {
        font-size: 1rem;
        padding: 0 var(--spacing-sm);
    }

    /* Stack track headers vertically on mobile */
    .track-headers {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .track-header {
        padding: var(--spacing-sm);
    }

    .track-header h4 {
        font-size: 1.25rem;
    }

    .track-header p {
        font-size: 0.875rem;
    }

    /* Stack dual track sessions vertically on mobile */
    .dual-track-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .track-session {
        padding: var(--spacing-sm);
    }

    .track-session .timeline-content h4 {
        font-size: 1rem;
        line-height: 1.3;
    }

    .track-session .timeline-content p {
        font-size: 0.875rem;
    }

    .track-session .timeline-time {
        font-size: 0.9rem;
    }

    /* General session adjustments */
    .general-session {
        padding: var(--spacing-sm);
    }

    .general-session .timeline-content h4 {
        font-size: 1.125rem;
    }

    /* Tag adjustments for mobile */
    .tag-base {
        font-size: 0.75rem;
        padding: 3px 8px;
        margin: 1px 2px 1px 0;
    }

    .timeline {
        padding-left: var(--spacing-sm);
    }

    .timeline-item {
        padding-left: var(--spacing-sm);
    }

    .speakers-grid,
    .locations-grid,
    .info-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .header, .footer, .nav { display: none; }
    .section { page-break-inside: avoid; }
    body { font-size: 12pt; color: black; }
}

/* ========================================
   QUESTION FORM SECTION
   ======================================== */

.question-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.question-intro p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.question-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.question-form {
    padding: var(--spacing-lg);
    box-shadow: 0 4px 20px var(--shadow-color);
}

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

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.required {
    color: var(--accent-color);
    font-weight: 700;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font: 1rem/1.5 var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-input:focus,
.form-textarea:focus,
.form-input:invalid:not(:focus):not(:placeholder-shown),
.form-textarea:invalid:not(:focus):not(:placeholder-shown) {
    outline: none;
    border-color: var(--accent-color);
}

.form-input:focus,
.form-textarea:focus {
    box-shadow: var(--focus-shadow);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-help {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.form-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: right;
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: 0.875rem;
    color: var(--accent-color);
    margin-top: var(--spacing-xs);
    font-weight: 600;
    display: none;
}

.form-error.show {
    display: block;
}

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

.btn-submit {
    background-color: var(--accent-color);
    color: var(--text-light);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    position: relative;
    min-width: 160px;
    min-height: 48px;
}

.btn-submit:hover:not(:disabled) {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-submit:disabled {
    background-color: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
}

.btn-submit:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(225, 6, 0, 0.3);
}

.btn-loading {
    display: none;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: flex;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    display: none;
}

.form-message.show {
    display: block;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Form validation states */
.form-group.has-error .form-input,
.form-group.has-error .form-textarea {
    border-color: var(--accent-color);
    box-shadow: var(--focus-shadow);
}

.form-group.has-success .form-input,
.form-group.has-success .form-textarea {
    border-color: #28a745;
}

/* Responsive form styles */
@media (max-width: 768px) {
    .question-form-container {
        margin: 0 var(--spacing-sm);
    }
    
    .question-form {
        padding: var(--spacing-md);
    }
    
    .btn-submit {
        width: 100%;
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .question-intro p {
        font-size: 1rem;
    }
    
    .form-input,
    .form-textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .form-input,
    .form-textarea {
        border-width: 3px;
    }
    
    .btn-submit {
        border: 2px solid var(--text-light);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .btn-submit,
    .form-input,
    .form-textarea,
    .loading-spinner {
        transition: none;
        animation: none;
    }
}