:root {
    --bg-body: #0d1117;
    --bg-header: #161b22;
    --surface: #161b22;
    --surface-2: #1f2937;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --btn-primary: #c8943b;
    --btn-hover: #c8943b;
    --link-color: #4a4a4a;
    --border-color: #30363d;
    --primary-color: #9b6bff;
    --primary-dark: #9b6bff;
    --accent-color: #9b6bff;
    --dark: #e6edf3;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    --glow: inset 0 1px 0 rgba(155, 107, 255, 0.08), 0 0 0 1px rgba(155, 107, 255, 0.04);
    --radius: 8px;
    --font-family: 'Inter', system-ui, sans-serif;
    --transition: all 0.3s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-family); color: var(--text-primary); background: var(--bg-body); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section-space { padding: 72px 0; }
.header { position: sticky; top: 0; z-index: 50; background: rgba(22, 27, 34, 0.95); backdrop-filter: blur(12px); box-shadow: var(--shadow); border-bottom: 1px solid var(--border-color); }
.navbar .container, .topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.navbar { padding: 16px 0; }
.logo { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; color: var(--text-primary); }
.logo img { border-radius: var(--radius); box-shadow: var(--glow); }
.nav-menu { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; align-items: center; }
.nav-menu a { color: var(--text-secondary); font-weight: 600; transition: var(--transition); }
.nav-menu a.active { color: var(--primary-color); }
.menu-toggle { display: none; background: transparent; border: 0; flex-direction: column; gap: 5px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--text-primary); }
.btn, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0.85rem 1.2rem; border-radius: var(--radius); border: 1px solid var(--border-color); font-weight: 700; transition: var(--transition); box-shadow: var(--glow); }
.btn-primary, .button.primary, .btn-nav { background: var(--btn-primary); color: #111827; border-color: var(--btn-primary); }
.btn-secondary, .button.secondary, .btn-outline { background: transparent; border-color: var(--border-color); color: var(--text-primary); }
.btn-primary:hover, .button.primary:hover, .btn-secondary:hover, .button.secondary:hover, .btn-outline:hover { background: var(--btn-hover); color: #111827; transform: translateY(-1px); }
.hero { padding: 84px 0 40px; background: radial-gradient(circle at top left, rgba(200, 148, 59, 0.12), transparent 30%), linear-gradient(180deg, #0d1117 0%, #111827 100%); }
.hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; align-items: center; }
.hero-copy h1 { font-size: clamp(2.5rem, 5vw, 4.8rem); line-height: 1; margin: 12px 0; max-width: 12ch; }
.hero-copy p { font-size: 1.08rem; color: var(--text-secondary); max-width: 62ch; }
.hero-badge, .section-badge { display: inline-flex; padding: 8px 12px; border-radius: var(--radius); background: rgba(155, 107, 255, 0.12); color: var(--primary-color); font-weight: 700; border: 1px solid var(--border-color); }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.hero-panel, .service-card, .panel, .cta-box { background: var(--surface); border: 1px solid var(--border-color); border-radius: var(--radius); box-shadow: var(--shadow); color: var(--text-primary); }
.hero-panel { padding: 28px; }
.hero-panel h2, .section-title, .page-header h1 { margin-top: 0; }
.hero-panel ul, .bullet-list { padding-left: 20px; color: var(--text-secondary); }
.section-header { margin-bottom: 24px; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 8px; }
.section-description, .page-header p { color: var(--text-secondary); }
.services-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.service-card { padding: 20px; }
.service-card h3 { margin-top: 0; }
.page-header { padding: 72px 0 24px; background: linear-gradient(180deg, #161b22, #0d1117); border-bottom: 1px solid var(--border-color); }
.content-grid, .contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.panel { padding: 24px; }
.contact-form { display: grid; gap: 12px; }
.contact-form label, .crud-form label { display: grid; gap: 8px; color: var(--text-secondary); }
.contact-form input, .contact-form textarea, .crud-form input, .crud-form textarea, .crud-form select, .contact-form select { width: 100%; border: 1px solid var(--border-color); border-radius: var(--radius); min-height: 46px; padding: 0.8rem 1rem; font: inherit; background: #161b22; color: var(--text-primary); transition: var(--transition); box-shadow: inset 0 1px 0 rgba(255,255,255,0.03); }
.contact-form input:focus, .contact-form textarea:focus, .crud-form input:focus, .crud-form textarea:focus, .crud-form select:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 2px rgba(155, 107, 255, 0.18); }
.crud-form { display: grid; gap: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.full { grid-column: 1 / -1; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--border-color); text-align: left; color: var(--text-primary); }
.inline-form { display: inline-flex; }
.cards-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.stat-card { min-height: 120px; padding: 18px; display: grid; align-content: space-between; background: var(--surface); border: 1px solid var(--border-color); border-radius: var(--radius); box-shadow: var(--glow); }
.stat-card strong { font-size: 2rem; }
.dashboard-shell { background: var(--bg-body); }
.sidebar { background: var(--bg-header); color: var(--text-primary); min-height: 100vh; padding: 24px; width: 280px; position: sticky; top: 0; border-right: 1px solid var(--border-color); box-shadow: var(--glow); }
.sidebar nav { display: grid; gap: 8px; margin-top: 20px; }
.sidebar nav a { color: var(--text-secondary); padding: 12px 14px; border-radius: var(--radius); transition: var(--transition); }
.sidebar nav a.active, .sidebar nav a:hover { background: rgba(155, 107, 255, 0.12); color: var(--primary-color); }
.dashboard-shell { display: grid; grid-template-columns: 280px 1fr; }
.dashboard-content { padding: 24px; }
.topbar { margin-bottom: 18px; }
.topbar-user { margin: 4px 0 0; color: var(--text-secondary); }
.alert { padding: 12px 14px; border-radius: var(--radius); margin-bottom: 16px; border: 1px solid var(--border-color); }
.alert-success { background: rgba(16,185,129,0.12); color: #a7f3d0; }
.alert-error { background: rgba(239,68,68,0.12); color: #fecaca; }
.footer { padding: 26px 0 40px; color: var(--text-secondary); border-top: 1px solid var(--border-color); }

@media (max-width: 1024px) {
    .hero-grid, .content-grid, .contact-grid, .services-grid, .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dashboard-shell { grid-template-columns: 1fr; }
    .sidebar { width: auto; min-height: auto; position: relative; }
}

@media (max-width: 760px) {
    .menu-toggle { display: flex; }
    .nav-menu { display: none; position: absolute; top: 72px; left: 16px; right: 16px; background: var(--surface); padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow); flex-direction: column; align-items: stretch; border: 1px solid var(--border-color); }
    .nav-menu.active { display: flex; }
    .hero-grid, .content-grid, .contact-grid, .services-grid, .cards-grid, .form-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 48px; }
}