:root {
    --bg-main: #111827;
    --bg-card: #1f2937;
    --bg-card-hover: #374151;
    --bg-header: #111827;
    --border-color: #374151;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent-gold: #ffb703;
    --accent-purple: #9d4edd;
    --accent-blue: #3a86ef;
    --accent-green: #2ec4b6;
    --accent-red: #e63946;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --input-bg: #111827;
    --input-border: #374151;
    --input-focus: #2ec4b6;
}

body.theme-light {
    --bg-main: #f0f2f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;
    --bg-header: #ffffff;
    --border-color: #e4e6eb;
    --text-main: #1c1e21;
    --text-muted: #65676b;
    --input-bg: #f8f9fa;
    --input-border: #cccccc;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 13px;
    line-height: 1.5;
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

header {
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    height: 60px;
}

.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; }
.logo-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent-gold), #fb8500);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: #111;
}
.logo-text span { color: var(--accent-gold); }
.logo-subtitle { font-size: 9px; color: var(--text-muted); letter-spacing: 1px; }

.nav-menu { display: flex; gap: 4px; }
.nav-item {
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 12px;
    display: flex; align-items: center; gap: 6px;
    transition: all 0.2s;
}
.nav-item:hover, .nav-item.active { background: var(--bg-card); color: var(--text-main); }
.nav-item.active { color: var(--accent-green); }

.header-right { display: flex; align-items: center; gap: 8px; }
.theme-toggle-btn, .user-cabinet-btn {
    width: 36px; height: 36px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.theme-toggle-btn:hover, .user-cabinet-btn:hover { color: var(--accent-gold); border-color: var(--accent-gold); }

.mobile-toggle-btn { display: none; }
.mobile-cabinet-btn { display: none; }

@media (max-width: 900px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 60px; left: 0; right: 0;
        background: var(--bg-header);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 12px;
    }
    .nav-menu.open { display: flex; }
    .mobile-toggle-btn { display: flex; width: 36px; height: 36px; border: none; background: none; color: var(--text-main); cursor: pointer; align-items: center; justify-content: center; }
    .mobile-cabinet-btn { display: flex; padding: 12px; background: var(--accent-green); color: #fff; border-radius: 8px; justify-content: center; gap: 8px; margin-bottom: 8px; }
}

footer {
    border-top: 1px solid var(--border-color);
    padding: 24px 16px;
    text-align: center;
    color: var(--text-muted);
    margin-top: auto;
}

.main-container { max-width: 1280px; margin: 0 auto; padding: 24px 16px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary { background: var(--accent-green); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary { background: var(--bg-card); color: var(--text-main); border: 1px solid var(--border-color); }
.btn-danger { background: var(--accent-red); color: #fff; }
.btn-gold { background: var(--accent-gold); color: #111; }

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-error { background: rgba(230,57,70,0.15); border: 1px solid var(--accent-red); color: var(--accent-red); }
.alert-success { background: rgba(46,196,182,0.15); border: 1px solid var(--accent-green); color: var(--accent-green); }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--text-muted); font-size: 12px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--input-focus);
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
}
.badge-green { background: rgba(46,196,182,0.2); color: var(--accent-green); }
.badge-gold { background: rgba(255,183,3,0.2); color: var(--accent-gold); }
.badge-red { background: rgba(230,57,70,0.2); color: var(--accent-red); }
.badge-purple { background: rgba(157,78,221,0.2); color: var(--accent-purple); }
.badge-blue { background: rgba(58,134,239,0.2); color: var(--accent-blue); }