:root {
    --bg: #f4f6fb;
    --surface: #ffffff;
    --surface-alt: #f8f3ff;
    --text: #1f2340;
    --muted: #6e7396;
    --line: #e5e7f2;
    --primary: #6d3df5;
    --primary-dark: #5227cd;
    --primary-soft: rgba(109, 61, 245, 0.10);
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #2563eb;
    --radius: 18px;
    --shadow: 0 18px 45px rgba(30, 41, 59, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(180deg, #fbfbff 0%, var(--bg) 100%);
    color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 280px;
    background: rgba(255,255,255,0.95);
    border-right: 1px solid var(--line);
    padding: 24px 20px;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 12px 0 35px rgba(109, 61, 245, 0.04);
}
.brand {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 0 20px;
}

.brand img {
    width: 180px;
    height: 180px;
    object-fit: contain;
}
.brand h1 { font-size: 1.05rem; margin: 0; }
.brand p { margin: 4px 0 0; color: var(--muted); font-size: .86rem; }
.nav-section-title {
    font-size: .76rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: #9599b4;
    margin: 18px 0 10px;
    padding-left: 8px;
}
.nav-list { display: grid; gap: 8px; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: 14px;
    color: #464c73;
    font-weight: 600;
    transition: .2s ease;
}
.nav-link:hover, .nav-link.active {
    background: var(--primary-soft);
    color: var(--primary);
    transform: translateX(3px);
}
.sidebar-footer {
    border-top: 1px solid var(--line);
    padding-top: 18px;
    display: grid;
    gap: 12px;
}
.user-box {
    padding: 14px;
    border-radius: 16px;
    background: var(--surface-alt);
    border: 1px solid rgba(109, 61, 245, 0.10);
}
.user-box .name { font-weight: 700; }
.user-box .meta { color: var(--muted); font-size: .86rem; margin-top: 4px; }
.main { flex: 1; padding: 28px; }
.topbar {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 24px;
}
.topbar h2 { margin: 0; font-size: 1.8rem; }
.topbar p { margin: 8px 0 0; color: var(--muted); }
.topbar-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.card {
    background: var(--surface);
    border-radius: 22px;
    border: 1px solid rgba(229, 231, 242, 0.9);
    box-shadow: var(--shadow);
    padding: 24px;
}
.card + .card { margin-top: 20px; }
.card-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 18px;
}
.card-title { margin: 0; font-size: 1.15rem; }
.card-subtitle { color: var(--muted); margin: 6px 0 0; }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-card {
    padding: 22px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(109, 61, 245, .12), rgba(109, 61, 245, .03));
    border: 1px solid rgba(109, 61, 245, 0.08);
}
.stat-card h3 { margin: 0 0 8px; font-size: .95rem; color: var(--muted); }
.stat-card strong { font-size: 2rem; display: block; }
.stat-card span { color: var(--muted); display: block; margin-top: 6px; }
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.form-inline, .filters { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.form-group { display: grid; gap: 8px; }
.form-group label { font-weight: 700; font-size: .95rem; }
.form-control, select, textarea, input[type='text'], input[type='email'], input[type='password'], input[type='datetime-local'], input[type='date'] {
    width: 100%;
    border: 1px solid #dbe0f0;
    border-radius: 14px;
    background: #fff;
    padding: 12px 14px;
    font-size: .95rem;
    color: var(--text);
    outline: none;
    transition: .2s ease;
}
.form-control:focus, select:focus, textarea:focus, input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(109, 61, 245, 0.12);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-check { display: flex; align-items: center; gap: 10px; }
.form-check input { width: 18px; height: 18px; accent-color: var(--primary); }
.help-text { color: var(--muted); font-size: .85rem; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 14px;
    padding: 12px 16px;
    font-weight: 700;
    cursor: pointer;
    transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #8f68ff); color: white; }
.btn-secondary { background: #eef1fb; color: #313860; }
.btn-success { background: rgba(22, 163, 74, 0.12); color: var(--success); }
.btn-danger { background: rgba(220, 38, 38, 0.12); color: var(--danger); }
.btn-warning { background: rgba(217, 119, 6, 0.12); color: var(--warning); }
.btn-info { background: rgba(37, 99, 235, 0.12); color: var(--info); }
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: .78rem;
    font-weight: 700;
}
.badge-primary { background: var(--primary-soft); color: var(--primary); }
.badge-success { background: rgba(22, 163, 74, 0.12); color: var(--success); }
.badge-warning { background: rgba(217, 119, 6, 0.14); color: var(--warning); }
.badge-danger { background: rgba(220, 38, 38, 0.12); color: var(--danger); }
.badge-info { background: rgba(37, 99, 235, 0.12); color: var(--info); }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: #7f84a3; }
tr:hover td { background: rgba(109, 61, 245, 0.02); }
.empty-state {
    text-align: center;
    padding: 32px;
    color: var(--muted);
    border: 1px dashed #dbe0f0;
    border-radius: 16px;
    background: #fbfbff;
}
.messages { display: grid; gap: 10px; margin-bottom: 18px; }
.errorlist {
    margin: 0 0 14px;
    padding: 12px 16px 12px 34px;
    border-radius: 14px;
    background: rgba(220, 38, 38, .10);
    color: var(--danger);
    border: 1px solid rgba(220, 38, 38, .16);
}
.message {
    padding: 14px 16px;
    border-radius: 14px;
    font-weight: 600;
    border: 1px solid transparent;
}
.message.success { background: rgba(22, 163, 74, .10); color: var(--success); border-color: rgba(22, 163, 74, .16); }
.message.error, .message.danger { background: rgba(220, 38, 38, .10); color: var(--danger); border-color: rgba(220, 38, 38, .16); }
.message.warning { background: rgba(217, 119, 6, .10); color: var(--warning); border-color: rgba(217, 119, 6, .16); }
.message.info { background: rgba(37, 99, 235, .10); color: var(--info); border-color: rgba(37, 99, 235, .16); }
.data-list { display: grid; gap: 12px; }
.data-item {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fafbff;
}
.data-item strong { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: #7f84a3; margin-bottom: 6px; }
.list-inline { margin: 0; padding-left: 20px; }
.meta { color: var(--muted); font-size: .88rem; }
.spacer { height: 20px; }
.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at top left, rgba(109, 61, 245, 0.12), transparent 30%), linear-gradient(180deg, #ffffff, #f3f5ff);
    padding: 24px;
}
.login-card {
    width: 100%;
    max-width: 430px;
    background: rgba(255,255,255,0.96);
    border: 1px solid var(--line);
    border-radius: 28px;
    padding: 34px;
    box-shadow: var(--shadow);
}
.login-brand { text-align: center; margin-bottom: 26px; }
.login-brand img { width: 140px; height: 140px; object-fit: contain; }
.login-brand h1 { margin: 0; font-size: 1.8rem; }
.login-brand p { margin: 8px 0 0; color: var(--muted); }
.section-list { display: grid; gap: 16px; }
.section-list .card { margin: 0; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.code-block {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 16px;
    padding: 16px;
    font-size: .88rem;
    overflow: auto;
}
@media (max-width: 1080px) {
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3, .form-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
    .layout { display: block; }
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--line);
    }
    .main { padding: 18px; }
    .grid-2, .grid-3, .grid-4, .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
    .topbar { flex-direction: column; }
}