:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --primary: #0f766e;
    --primary-dark: #115e59;
    --primary-soft: #ccfbf1;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --neutral: #6b7280;
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.6 "Segoe UI", Roboto, Arial, sans-serif;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.app {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: #e5e7eb;
    padding: 24px 14px;
}

.sidebar .brand {
    padding: 8px 10px 20px;
    border-bottom: 1px solid #374151;
    margin-bottom: 14px;
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
    color: #f9fafb;
}

.brand-sub {
    color: #9ca3af;
    font-size: 12px;
    margin-top: 2px;
}

.sidebar nav a {
    display: block;
    color: #d1d5db;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 4px;
    font-weight: 500;
}

.sidebar nav a:hover { background: #1f2937; text-decoration: none; }
.sidebar nav a.active { background: var(--primary); color: #fff; }

.main {
    padding: 0 28px 28px;
    min-width: 0;
}

.topbar {
    padding: 22px 2px 14px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky; top: 0;
    z-index: 5;
}

.topbar h1 {
    margin: 0;
    font-size: 20px;
}

.topbar .subtitle {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.content {
    padding-top: 18px;
}

.footer {
    margin-top: 28px;
    color: var(--muted);
    font-size: 12px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
    margin-bottom: 18px;
}

.card h3 { margin: 0 0 10px; font-size: 15px; }

.grid {
    display: grid;
    gap: 16px;
    margin-bottom: 18px;
}
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }

.stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
}
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat .foot  { font-size: 12px; color: var(--muted); margin-top: 6px; }
.stat.positif .value { color: var(--success); }
.stat.netral  .value { color: var(--neutral); }
.stat.negatif .value { color: var(--danger); }

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid transparent;
}
.badge.positif { background: #dcfce7; color: #166534; border-color: #86efac; }
.badge.netral  { background: #e5e7eb; color: #374151; border-color: #d1d5db; }
.badge.negatif { background: #fee2e2; color: #991b1b; border-color: #fca5a5; }

.flash {
    padding: 12px 14px;
    border-radius: 8px;
    margin: 14px 0 0;
    border: 1px solid transparent;
}
.flash.success { background: #ecfdf5; color: #065f46; border-color: #a7f3d0; }
.flash.warning { background: #fffbeb; color: #92400e; border-color: #fde68a; }
.flash.danger  { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.flash.info    { background: #eff6ff; color: #1e3a8a; border-color: #bfdbfe; }

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 13px;
}

input[type="text"],
input[type="number"],
input[type="search"],
input[type="file"],
select,
textarea {
    width: 100%;
    max-width: 100%;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 9px 12px;
    font: inherit;
    background: #fff;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15,118,110,0.15);
}

.form-row { margin-bottom: 14px; }

.btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid var(--primary-dark);
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn.secondary:hover { background: #f9fafb; }
.btn.danger { background: var(--danger); border-color: #b91c1c; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

table.data {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
table.data th, table.data td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    text-align: left;
    font-size: 13px;
}
table.data th {
    background: #f9fafb;
    font-weight: 700;
    color: #111827;
}
table.data tr:last-child td { border-bottom: 0; }

.pagination {
    margin-top: 14px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}
.pagination a, .pagination span {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #fff;
    font-size: 13px;
}
.pagination a:hover { background: #f3f4f6; text-decoration: none; }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary-dark); }

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 12px;
}
.summary-box {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    background: #fff;
}
.summary-box .k { color: var(--muted); font-size: 12px; }
.summary-box .v { font-weight: 700; font-size: 16px; margin-top: 4px; }

.code {
    background: #0f172a;
    color: #e2e8f0;
    padding: 10px 12px;
    border-radius: 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    overflow-x: auto;
}

.chart-box {
    position: relative;
    height: 320px;
}

.filter-bar {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 10px;
    margin-bottom: 14px;
    align-items: end;
}

.empty {
    padding: 26px;
    text-align: center;
    color: var(--muted);
    background: #fff;
    border: 1px dashed var(--border);
    border-radius: 10px;
}

details { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin-bottom: 10px; }
details summary { cursor: pointer; font-weight: 600; }

@media (max-width: 960px) {
    .app { grid-template-columns: 1fr; }
    .sidebar { padding: 18px; }
    .sidebar nav a { display: inline-block; margin: 2px 4px 2px 0; }
    .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr 1fr; }
    .summary-grid { grid-template-columns: 1fr; }
    .filter-bar { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
    .filter-bar { grid-template-columns: 1fr; }
}