/* ================================================
   VisenX Inc. 홈페이지 스타일시트
   ================================================ */

:root {
    --primary: #0066ff;
    --primary-light: #00d4ff;
    --primary-dark: #0044cc;
    --gradient: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
    --dark: #0a0e27;
    --dark-card: #131836;
    --dark-border: #1e2448;
    --text: #e0e6f0;
    --text-muted: #8892b0;
    --white: #ffffff;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

body {
    font-family: 'Pretendard', 'Segoe UI', -apple-system, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--primary-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--white); }
img { max-width: 100%; height: auto; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ========== HEADER / NAV ========== */
.site-header {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo img { height: 40px; }
.nav-menu { display: flex; list-style: none; gap: 8px; }
.nav-menu a {
    display: block; padding: 8px 18px; border-radius: 8px; color: var(--text-muted);
    font-size: 0.95rem; font-weight: 500; transition: all 0.2s;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--white); background: rgba(255,255,255,0.05); }
.nav-auth { display: flex; gap: 10px; align-items: center; }
.nav-auth .user-name { color: var(--text-muted); font-size: 0.9rem; }

.hamburger { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }

/* ========== BUTTONS ========== */
.btn {
    display: inline-block; padding: 10px 24px; border-radius: 8px; font-size: 0.9rem;
    font-weight: 600; border: none; cursor: pointer; transition: all 0.2s; text-align: center;
}
.btn-primary { background: var(--gradient); color: var(--white); }
.btn-primary:hover { opacity: 0.9; color: var(--white); transform: translateY(-1px); }
.btn-outline { border: 1px solid var(--dark-border); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary-light); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-sm { padding: 6px 14px; font-size: 0.85rem; }
.btn-lg { padding: 14px 36px; font-size: 1.05rem; }

/* ========== HERO ========== */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    background: radial-gradient(ellipse at center top, rgba(0,102,255,0.15) 0%, transparent 60%);
}
.hero h1 { font-size: 3rem; font-weight: 800; margin-bottom: 20px; line-height: 1.3; }
.hero h1 .gradient-text {
    background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p { font-size: 1.2rem; color: var(--text-muted); max-width: 700px; margin: 0 auto 40px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== SECTIONS ========== */
.section { padding: 80px 0; }
.section-title {
    text-align: center; margin-bottom: 50px;
}
.section-title h2 { font-size: 2rem; font-weight: 700; margin-bottom: 10px; }
.section-title p { color: var(--text-muted); font-size: 1.05rem; }

/* ========== CARDS ========== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.card {
    background: var(--dark-card); border: 1px solid var(--dark-border); border-radius: var(--radius);
    padding: 32px; transition: all 0.3s;
}
.card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow); }
.card-icon {
    width: 56px; height: 56px; border-radius: 12px; background: rgba(0,102,255,0.1);
    display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
    font-size: 1.5rem; color: var(--primary-light);
}
.card h3 { font-size: 1.2rem; margin-bottom: 12px; color: var(--white); }
.card p { color: var(--text-muted); font-size: 0.95rem; }

/* ========== PRODUCT CARDS ========== */
.product-card {
    background: var(--dark-card); border: 1px solid var(--dark-border); border-radius: var(--radius);
    overflow: hidden; transition: all 0.3s;
}
.product-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.product-card .product-image {
    height: 200px; background: linear-gradient(135deg, #131836 0%, #1a2050 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; color: var(--primary-light);
}
.product-card .product-body { padding: 24px; }
.product-card h3 { margin-bottom: 8px; }
.product-card .category-badge {
    display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 0.75rem;
    background: rgba(0,102,255,0.15); color: var(--primary-light); margin-bottom: 12px;
}
.product-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ========== BOARD / TABLE ========== */
.page-header { margin-bottom: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.page-header h1 { font-size: 1.8rem; font-weight: 700; }

.board-table { width: 100%; border-collapse: collapse; }
.board-table th {
    padding: 14px 16px; text-align: left; font-weight: 600; color: var(--text-muted);
    border-bottom: 2px solid var(--dark-border); font-size: 0.85rem; text-transform: uppercase;
}
.board-table td {
    padding: 14px 16px; border-bottom: 1px solid var(--dark-border); font-size: 0.95rem;
}
.board-table tr:hover td { background: rgba(255,255,255,0.02); }
.board-table .notice-badge {
    display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.75rem;
    background: var(--primary); color: var(--white); margin-right: 6px;
}
.board-table .secret-badge {
    display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.75rem;
    background: var(--warning); color: #000; margin-right: 6px;
}

/* ========== FORMS ========== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.9rem; color: var(--text-muted); }
.form-control {
    width: 100%; padding: 12px 16px; background: var(--dark); border: 1px solid var(--dark-border);
    border-radius: 8px; color: var(--text); font-size: 0.95rem; transition: border-color 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); }
textarea.form-control { min-height: 200px; resize: vertical; font-family: inherit; }
select.form-control { cursor: pointer; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-card {
    background: var(--dark-card); border: 1px solid var(--dark-border); border-radius: var(--radius);
    padding: 40px; max-width: 500px; margin: 60px auto;
}
.form-card h1 { text-align: center; margin-bottom: 30px; font-size: 1.5rem; }

/* ========== POST VIEW ========== */
.post-view {
    background: var(--dark-card); border: 1px solid var(--dark-border); border-radius: var(--radius);
    padding: 40px;
}
.post-view .post-title { font-size: 1.6rem; margin-bottom: 16px; }
.post-view .post-meta { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--dark-border); }
.post-view .post-content { line-height: 1.9; min-height: 200px; }
.post-view .post-actions { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--dark-border); display: flex; gap: 10px; }

.comment-section { margin-top: 40px; }
.comment-section h3 { margin-bottom: 20px; font-size: 1.1rem; }
.comment-item {
    padding: 16px 0; border-bottom: 1px solid var(--dark-border);
}
.comment-item .comment-meta { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }
.comment-item .admin-badge {
    display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 0.7rem;
    background: var(--primary); color: var(--white); margin-left: 6px;
}
.comment-form { margin-top: 20px; }
.comment-form textarea { min-height: 80px; }

/* ========== ALERTS ========== */
.alert {
    padding: 14px 20px; border-radius: 8px; margin-bottom: 20px; font-size: 0.9rem;
}
.alert-success { background: rgba(16,185,129,0.15); color: var(--success); border: 1px solid rgba(16,185,129,0.3); }
.alert-error { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.alert-info { background: rgba(0,102,255,0.15); color: var(--primary-light); border: 1px solid rgba(0,102,255,0.3); }

/* ========== PAGINATION ========== */
.pagination-wrap { margin-top: 30px; text-align: center; }
.pagination { display: inline-flex; list-style: none; gap: 4px; }
.pagination li a {
    display: block; padding: 8px 14px; border-radius: 6px; color: var(--text-muted);
    background: var(--dark-card); border: 1px solid var(--dark-border); font-size: 0.85rem;
}
.pagination li a:hover { border-color: var(--primary); color: var(--primary-light); }
.pagination li.active a { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* ========== ADMIN ========== */
.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 70px); }
.admin-sidebar {
    background: var(--dark-card); border-right: 1px solid var(--dark-border); padding: 24px 0;
}
.admin-sidebar .menu-title { padding: 8px 24px; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; font-weight: 600; letter-spacing: 1px; }
.admin-sidebar a {
    display: block; padding: 10px 24px; color: var(--text-muted); font-size: 0.9rem; transition: all 0.2s;
}
.admin-sidebar a:hover, .admin-sidebar a.active { color: var(--white); background: rgba(255,255,255,0.05); }
.admin-content { padding: 30px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 30px; }
.stat-card {
    background: var(--dark-card); border: 1px solid var(--dark-border); border-radius: var(--radius);
    padding: 24px; text-align: center;
}
.stat-card .stat-number { font-size: 2rem; font-weight: 800; color: var(--primary-light); }
.stat-card .stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* ========== FOOTER ========== */
.site-footer {
    margin-top: auto; padding: 40px 0 20px;
    background: var(--dark-card); border-top: 1px solid var(--dark-border);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 30px; }
.footer-brand img { height: 36px; margin-bottom: 12px; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; }
.footer-col h4 { font-size: 0.9rem; margin-bottom: 12px; color: var(--white); }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.85rem; padding: 4px 0; }
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom {
    text-align: center; padding-top: 20px; border-top: 1px solid var(--dark-border);
    color: var(--text-muted); font-size: 0.8rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-menu { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--dark); flex-direction: column; padding: 16px; border-bottom: 1px solid var(--dark-border); }
    .nav-menu.active { display: flex; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .card-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .board-table { font-size: 0.85rem; }
    .board-table .hide-mobile { display: none; }
}