/*
Theme Name: ChatApp Pro
Theme URI: https://chatapp.com
Description: Premium real-time chat service theme
Author: ChatApp Team
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: chatapp
*/

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
}

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

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 20px;
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Features Section */
.features-section {
    padding: 100px 20px;
    background: var(--bg-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 60px;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.15);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Public Rooms Section */
.rooms-section {
    padding: 100px 20px;
    background: white;
}

.rooms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.room-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.room-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(79, 70, 229, 0.1);
}

.room-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.room-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.room-badge {
    background: var(--success-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.room-info {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.room-info span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Footer */
.site-footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 20px 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

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

/* Enhanced Gaming-Style Room Cards */
.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 18px;
    margin-top: -16px;
    margin-bottom: 40px;
}

.rooms-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 100%;
}

.room-card {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border: 2px solid rgba(79, 70, 229, 0.2);
    border-radius: 12px;
    padding: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: row;
    height: 100px;
}

.room-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.room-card:hover::before {
    opacity: 1;
}

.room-card:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.2);
}

.room-card-image {
    width: 120px;
    min-width: 120px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    position: relative;
    overflow: hidden;
}

.room-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.room-card-image::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 50%;
    background: linear-gradient(to left, rgba(0,0,0,0.2), transparent);
}

.room-card-content {
    padding: 12px 16px;
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.room-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    gap: 8px;
}

.room-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.room-badge {
    background: var(--success-color);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
    flex-shrink: 0;
}

.room-info {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.room-info span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.room-stats {
    display: none;
}

/* Pulse animation for live rooms */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.room-badge.live {
    animation: pulse 2s infinite;
}

/* Responsive improvements */
@media (max-width: 640px) {
    .rooms-grid {
        grid-template-columns: 1fr;
    }
}