:root {
    --bg: #08120f;
    --panel: rgba(18, 28, 25, 0.92);
    --panel-soft: rgba(22, 34, 31, 0.8);
    --text: #eef7f2;
    --muted: #8aa39a;
    --accent: #4df59a;
    --accent-dark: #173926;
    --danger: #ff7f7f;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    font-family: "Segoe UI", Tahoma, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at top right, rgba(77, 245, 154, 0.18), transparent 20%),
        radial-gradient(circle at bottom left, rgba(42, 118, 82, 0.22), transparent 30%),
        linear-gradient(135deg, #040908, #0b1713 40%, #07110e);
}

a { color: inherit; text-decoration: none; }
label { color: var(--muted); font-size: 0.95rem; margin-bottom: 0.35rem; display: block; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    padding: 0.9rem 1rem;
    border-radius: 16px;
    outline: none;
}

button { cursor: pointer; }

.admin-body { display: grid; grid-template-columns: 270px 1fr; min-height: 100vh; }
.sidebar {
    padding: 2rem 1.25rem;
    border-left: 1px solid var(--border);
    background: rgba(5, 9, 8, 0.72);
    backdrop-filter: blur(24px);
}
.brand { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 2rem; }
.brand.compact { margin-bottom: 1.5rem; }
.brand-mark {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    color: #04110b;
    font-weight: 800;
    background: linear-gradient(135deg, #4df59a, #a4ffd1);
    box-shadow: 0 15px 30px rgba(77, 245, 154, 0.25);
}
.brand small { display: block; color: var(--muted); margin-top: 0.15rem; }
.nav-links { display: grid; gap: 0.5rem; }
.nav-links a, .ghost-button, .primary-button, .ghost-link {
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.nav-links a {
    padding: 0.95rem 1rem;
    border-radius: 16px;
    color: var(--muted);
}
.nav-links a.active, .nav-links a:hover {
    background: rgba(77, 245, 154, 0.1);
    color: var(--text);
    transform: translateX(-3px);
}
.logout-form { margin-top: 1.5rem; }
.main-panel { padding: 2rem; }
.page-header h1 { margin: 0; font-size: 2rem; }
.page-header p { color: var(--muted); margin-top: 0.4rem; }
.stats-grid, .panel-grid, .detail-grid, .two-col {
    display: grid;
    gap: 1.25rem;
}
.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 1.5rem 0; }
.panel-grid, .detail-grid, .two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel-card, .stat-card, .auth-card {
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 28px;
}
.stat-card { padding: 1.35rem; }
.stat-card span { color: var(--muted); display: block; margin-bottom: 0.75rem; }
.stat-card strong { font-size: 2rem; }
.panel-card { padding: 1.4rem; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.panel-head h2, .panel-card h2 { margin: 0 0 1rem; font-size: 1.15rem; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.95rem 0.75rem; border-bottom: 1px solid var(--border); text-align: right; }
th { color: var(--muted); font-size: 0.85rem; }
.audit-list { display: grid; gap: 0.8rem; }
.audit-item, .broadcast-card {
    padding: 1rem;
    border-radius: 18px;
    background: var(--panel-soft);
    border: 1px solid var(--border);
}
.broadcast-card p, .audit-item p, .hint { color: var(--muted); }
.stack-form { display: grid; gap: 0.85rem; }
.stack-form.slim { margin-top: 1rem; }
.inline-form { display: flex; gap: 0.75rem; margin-bottom: 1rem; }
.inline-form input { flex: 1; }
.primary-button, .ghost-button, .ghost-link {
    border-radius: 18px;
    padding: 0.95rem 1.2rem;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.primary-button {
    background: linear-gradient(135deg, #4df59a, #30d67f);
    color: #032013;
    font-weight: 700;
}
.primary-button.small { padding: 0.8rem 1rem; }
.ghost-button, .ghost-link {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--border);
    color: var(--text);
}
.primary-button:hover, .ghost-button:hover, .ghost-link:hover { transform: translateY(-1px); }
.status {
    display: inline-flex;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    font-size: 0.85rem;
}
.status.active { background: rgba(77, 245, 154, 0.14); color: #7fffb8; }
.status.blocked { background: rgba(255, 127, 127, 0.14); color: #ffb2b2; }
.meta-pairs { display: grid; gap: 0.8rem; }
.meta-pairs div {
    padding: 0.95rem 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
}
.meta-pairs span { color: var(--muted); display: block; margin-bottom: 0.45rem; }
.flash {
    margin: 1rem 0;
    padding: 1rem 1.2rem;
    border-radius: 18px;
    border: 1px solid var(--border);
}
.flash.success { background: rgba(77, 245, 154, 0.1); color: #95ffca; }
.flash.error { background: rgba(255, 127, 127, 0.1); color: #ffc6c6; }
.auth-body, .install-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}
.auth-card { width: min(100%, 480px); padding: 2rem; }
.auth-card.wide { width: min(100%, 940px); }

@media (max-width: 980px) {
    .admin-body, .stats-grid, .panel-grid, .detail-grid, .two-col { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .main-panel { padding: 1rem; }
}