/* ============================================
   HARD-EDGE STUDIO SYSTEM - STUDIO GRADE
   Webinars.ge - Technical Knowledge Platform
   ============================================ */

/* GEORGIAN FONTS */
@font-face {
    font-family: 'BPG Arial';
    src: url('fonts/bpg_arial/bpg_arial_2009.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'BPG Mrgvlovani Caps';
    src: url('fonts/bpg_mrgvlovani/bpg_mrgvlovani_caps_2010.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* COLOR PALETTE - Professional Navy + Amber Brand */
:root {
    --color-white: #FFFFFF;
    --color-black: #000000;

    /* Brand Colors */
    --color-navy: #0A1628;
    --color-navy-light: #1A2740;
    --color-navy-lighter: #2D3E5A;
    --color-amber: #F59E0B;
    --color-amber-dark: #D97706;
    --color-amber-light: #FBBF24;

    /* Dark theme colors (default) */
    --bg-primary: #0A1628;
    --bg-secondary: #0F1D33;
    --bg-card: #1A2740;
    --bg-sidebar: #0F1D33;
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.75);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-subtle: rgba(255, 255, 255, 0.05);
}

/* Light theme */
body.light-mode {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-sidebar: #F1F5F9;
    --text-primary: #0A1628;
    --text-secondary: rgba(10, 22, 40, 0.75);
    --text-tertiary: rgba(10, 22, 40, 0.5);
    --border-color: rgba(10, 22, 40, 0.1);
    --border-subtle: rgba(10, 22, 40, 0.05);
}

/* TYPOGRAPHY */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

.mono {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* LAYOUT STRUCTURE */
body {
    display: flex;
    min-height: 100vh;
}

/* ============================================
   SIDEBAR
   ============================================ */
.pulse-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 60px;
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.pulse-logo {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 16px;
    color: var(--color-amber);
    margin-bottom: 48px;
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: -1px;
}

.pulse-indicator {
    width: 10px;
    height: 10px;
    background: var(--color-amber);
    border-radius: 2px;
    margin-bottom: 12px;
}

.pulse-indicator.live {
    background: var(--color-amber);
    animation: pulse-subtle 2s ease-in-out infinite;
}

@keyframes pulse-subtle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.pulse-count {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 60px;
}

/* System Status in Sidebar */
.system-status {
    position: absolute;
    bottom: 24px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 9px;
    color: var(--text-tertiary);
    line-height: 1.8;
    letter-spacing: 0.03em;
}

/* ============================================
   MAIN CONTAINER
   ============================================ */
.main-container {
    margin-left: 60px;
    width: calc(100% - 60px);
    min-height: 100vh;
    background: var(--bg-secondary);
    position: relative;
}

/* Remove decorative corner marks for cleaner look */
.main-container::before,
.main-container::after,
.corner-mark-bl,
.corner-mark-br {
    display: none;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 48px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: all 0.3s ease;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 24px;
}

.site-title {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 24px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.header-meta {
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-indicator {
    font-size: 10px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.lang-btn {
    font-size: 10px;
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
}

.lang-btn:not(:last-child) {
    border-right: 1px solid var(--border-color);
}

.lang-btn.active {
    background: var(--color-amber);
    color: var(--color-navy);
}

.lang-btn:hover:not(.active) {
    background: var(--border-subtle);
    color: var(--text-secondary);
}

/* Theme Switcher */
.theme-switcher {
    display: flex;
}

.theme-btn {
    font-size: 10px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
}

.theme-btn:hover {
    background: var(--border-subtle);
    color: var(--text-secondary);
}

/* Georgian Font Support */
body[lang="ka"],
body[lang="ka"] .site-title,
body[lang="ka"] .card-title,
body[lang="ka"] .detail-title,
body[lang="ka"] .speaker-name {
    font-family: 'BPG Arial', 'Inter', sans-serif;
}

body[lang="ka"] .mono {
    font-family: 'BPG Mrgvlovani Caps', 'JetBrains Mono', monospace;
}

/* ============================================
   FILTER SECTION
   ============================================ */
.complexity-matrix {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
}

.matrix-header {
    padding: 20px 48px;
    font-size: 10px;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-tertiary);
    text-transform: uppercase;
}

.matrix-grid {
    padding: 0;
}

.matrix-row {
    display: grid;
    grid-template-columns: 180px 1fr;
    border-bottom: 1px solid var(--border-subtle);
}

.matrix-row:last-child {
    border-bottom: none;
}

.matrix-label {
    padding: 20px 48px;
    font-size: 10px;
    letter-spacing: 0.08em;
    border-right: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    text-transform: uppercase;
}

.matrix-cells {
    display: flex;
    background: var(--bg-card);
}

.matrix-cell {
    flex: 1;
    padding: 20px 24px;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 13px;
    border: none;
    border-right: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.matrix-cell:last-child {
    border-right: none;
}

.matrix-cell:hover {
    background: var(--border-subtle);
    color: var(--text-primary);
}

.matrix-cell.active {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-amber);
    font-weight: 500;
}

/* ============================================
   WEBINAR GRID
   ============================================ */
.webinar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: 24px;
    padding: 48px;
    background: var(--bg-secondary);
}

.webinar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

/* LIVE cards get amber accent */
.webinar-card.live {
    border-left: 3px solid var(--color-amber);
}

.webinar-card.live .card-status {
    color: var(--color-amber);
}

.webinar-card:hover {
    border-color: var(--color-amber);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.webinar-card.live:hover {
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.15);
}

/* CARD COMPONENTS */
.card-meta {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
    display: flex;
    gap: 8px;
    letter-spacing: 0.03em;
}

.separator {
    opacity: 0.4;
}

.card-title {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.card-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.card-speaker {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--text-primary);
}

.card-tags {
    display: flex;
    gap: 8px;
    font-size: 10px;
    letter-spacing: 0.05em;
}

.tag {
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--border-subtle);
    color: var(--text-secondary);
}

.card-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    letter-spacing: 0.03em;
    font-weight: 500;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--text-tertiary);
    border-radius: 50%;
}

.status-dot.live {
    background: var(--color-amber);
    animation: pulse-subtle 2s ease-in-out infinite;
}

.viewer-count {
    margin-left: auto;
    color: var(--text-tertiary);
    letter-spacing: 0.03em;
}

.schedule-time {
    margin-left: auto;
    color: var(--text-tertiary);
    letter-spacing: 0.03em;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    display: flex;
    justify-content: space-between;
    padding: 24px 48px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-tertiary);
    font-size: 10px;
    letter-spacing: 0.03em;
}

.footer-left,
.footer-right {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .webinar-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .pulse-sidebar {
        width: 50px;
    }

    .main-container {
        margin-left: 50px;
        width: calc(100% - 50px);
    }

    .main-container::before,
    .main-container::after,
    .corner-mark-bl,
    .corner-mark-br {
        display: none;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 20px;
    }

    .header-left {
        flex-direction: column;
        gap: 5px;
    }

    .site-title {
        font-size: 24px;
    }

    .matrix-row {
        grid-template-columns: 1fr;
    }

    .matrix-label {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .matrix-cells {
        flex-wrap: wrap;
    }

    .matrix-cell {
        flex: 1 1 45%;
        border: 1px solid var(--border-color);
        border-top: none;
    }

    .webinar-card {
        padding: 30px;
    }

    .card-title {
        font-size: 18px;
    }

    .card-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .site-footer {
        flex-direction: column;
        gap: 10px;
        padding: 15px 20px;
    }

    .system-status {
        display: none;
    }
}

@media (max-width: 480px) {
    .pulse-sidebar {
        width: 40px;
    }

    .main-container {
        margin-left: 40px;
        width: calc(100% - 40px);
    }

    .pulse-logo {
        font-size: 14px;
    }

    .matrix-cell {
        flex: 1 1 100%;
    }

    .webinar-card {
        box-shadow: none;
    }

    .webinar-card:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    body {
        background-image: none;
    }

    .pulse-sidebar {
        display: none;
    }

    .main-container {
        margin-left: 0;
        width: 100%;
    }

    .main-container::before,
    .main-container::after,
    .corner-mark-bl,
    .corner-mark-br {
        display: none;
    }

    .webinar-card {
        page-break-inside: avoid;
        box-shadow: none;
    }
}

/* ============================================
   WEBINAR DETAIL PAGE
   ============================================ */
.back-button {
    font-size: 10px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: transparent;
    text-decoration: none;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    display: inline-block;
    transition: all 0.2s ease;
    font-weight: 500;
}

.back-button:hover {
    background: var(--border-subtle);
    color: var(--text-primary);
}

.webinar-detail {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    min-height: calc(100vh - 200px);
}

.detail-container {
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

#main-content {
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: 40px;
}

/* Loading and Error States */
.loading-state,
.error-state {
    padding: 80px 48px;
    text-align: center;
    font-size: 13px;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-color);
    border-top-color: var(--color-amber);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Left Column Styles */
.detail-left {
    border-right: 1px solid var(--border-color);
    padding-right: 48px;
}

.detail-meta {
    font-size: 11px;
    margin-bottom: 20px;
    display: flex;
    gap: 8px;
    letter-spacing: 0.03em;
    color: var(--text-tertiary);
}

.detail-title {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 32px;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 48px;
}

.speaker-section,
.description-section,
.tags-section,
.status-section {
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border-subtle);
}

.status-section {
    border-bottom: none;
}

.speaker-label,
.description-label,
.tags-label {
    font-size: 10px;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    color: var(--text-tertiary);
    text-transform: uppercase;
}

.speaker-name {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.2px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.speaker-bio,
.description-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.detail-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.status-live,
.status-scheduled,
.status-recorded {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: 0.03em;
    padding: 16px 0;
    color: var(--text-secondary);
}

.status-section.live .status-live {
    color: var(--color-amber);
}

/* Right Column - Registration Form */
.detail-right {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.registration-form {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    overflow: hidden;
}

.form-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

#registration-form {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-amber);
    background: var(--bg-card);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-error {
    padding: 12px 14px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--color-amber);
    border-radius: 4px;
    color: var(--color-amber-dark);
    font-size: 12px;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.button-primary,
.button-secondary {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 4px;
    background: var(--color-amber);
    color: var(--color-navy);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

.button-primary:hover {
    background: var(--color-amber-light);
    transform: translateY(-1px);
}

.button-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.button-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    margin-top: 12px;
}

.button-secondary:hover {
    background: var(--border-subtle);
    color: var(--text-primary);
    transform: none;
}

/* Registration Success */
.registration-success {
    padding: 48px 32px;
    text-align: center;
}

.success-icon {
    width: 56px;
    height: 56px;
    line-height: 56px;
    font-size: 28px;
    background: var(--color-amber);
    color: var(--color-navy);
    margin: 0 auto 20px;
    border-radius: 50%;
}

.success-title {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.01em;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.success-message {
    font-size: 13px;
    margin-bottom: 24px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsive Detail Page */
@media (max-width: 1024px) {
    #main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .detail-left {
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 40px;
    }

    .detail-right {
        position: static;
    }
}

@media (max-width: 768px) {
    .detail-container {
        padding: 20px;
    }

    .detail-title {
        font-size: 24px;
    }

    #registration-form {
        padding: 20px;
    }
}