/* iFruits Admin - Design System */
:root {
    --green-50:  #f0fdf4;
    --green-100: #dcfce7;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --orange-400: #fb923c;
    --orange-500: #f97316;
    --orange-600: #ea580c;
    --slate-50:  #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --white:  #ffffff;
    --red-500:#ef4444; --red-100:#fee2e2;
    --yellow-500:#eab308; --yellow-100:#fef9c3;
    --blue-500:#3b82f6; --blue-100:#dbeafe;

    --sidebar-w: 260px;
    --topbar-h: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.05);
    --transition: 150ms ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body { font-family: 'Inter', sans-serif; background: var(--slate-100); color: var(--slate-700); line-height: 1.5; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Layout ── */
.app-wrapper { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: var(--slate-900);
    display: flex; flex-direction: column;
    position: fixed; top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: width var(--transition);
    overflow: hidden;
}

.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex; flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition);
}

/* ── Sidebar Brand ── */
.sidebar-brand {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 16px 16px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    min-height: var(--topbar-h);
}
.brand-logo { display: flex; align-items: center; gap: 10px; }
.brand-icon { font-size: 1.6rem; }
.brand-name { display: block; font-weight: 800; font-size: 1.2rem; color: var(--white); letter-spacing: -.3px; }
.brand-sub { display: block; font-size: .7rem; color: var(--green-400); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; margin-top: -2px; }
.sidebar-toggle { background: none; border: none; color: var(--slate-400); cursor: pointer; font-size: 1rem; padding: 6px; border-radius: 6px; transition: color var(--transition), background var(--transition); }
.sidebar-toggle:hover { color: var(--white); background: rgba(255,255,255,.08); }

/* ── Sidebar Nav ── */
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

.nav-section { margin-bottom: 8px; }
.nav-label { display: block; font-size: .65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1.2px; color: var(--slate-500); padding: 8px 20px 4px; }

.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 20px;
    color: var(--slate-400);
    font-size: .875rem; font-weight: 500;
    border-radius: 0;
    transition: color var(--transition), background var(--transition);
    position: relative;
}
.nav-item i { width: 18px; text-align: center; font-size: .9rem; flex-shrink: 0; }
.nav-item:hover { color: var(--white); background: rgba(255,255,255,.05); }
.nav-item.active { color: var(--green-400); background: rgba(34,197,94,.08); }
.nav-item.active::before {
    content: ''; position: absolute; left: 0; top: 4px; bottom: 4px;
    width: 3px; background: var(--green-400); border-radius: 0 3px 3px 0;
}

.badge-count {
    margin-left: auto; background: var(--orange-500); color: var(--white);
    font-size: .65rem; font-weight: 700; padding: 2px 6px; border-radius: 10px;
    min-width: 18px; text-align: center;
}

/* ── Sidebar Footer ── */
.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,.08);
    display: flex; align-items: center; gap: 10px;
}
.user-info { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.user-avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: linear-gradient(135deg, var(--green-500), var(--green-700));
    color: var(--white); font-weight: 700; font-size: .85rem;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.user-details { min-width: 0; }
.user-name { display: block; font-size: .8rem; font-weight: 600; color: var(--white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; font-size: .7rem; color: var(--slate-500); }
.btn-logout { color: var(--slate-500); padding: 6px; border-radius: 6px; transition: color var(--transition); flex-shrink: 0; }
.btn-logout:hover { color: var(--red-500); }

/* ── Topbar ── */
.topbar {
    height: var(--topbar-h);
    background: var(--white);
    border-bottom: 1px solid var(--slate-200);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px;
    position: sticky; top: 0; z-index: 50;
    box-shadow: var(--shadow);
}
.page-heading { font-size: 1.1rem; font-weight: 700; color: var(--slate-800); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-btn { background: none; border: 1px solid var(--slate-200); color: var(--slate-500); padding: 7px 10px; border-radius: var(--radius-sm); cursor: pointer; transition: all var(--transition); position: relative; }
.topbar-btn:hover { border-color: var(--green-500); color: var(--green-600); }
.notif-dot { position: absolute; top: 4px; right: 4px; width: 8px; height: 8px; background: var(--orange-500); border-radius: 50%; border: 2px solid var(--white); }
.topbar-date { font-size: .8rem; color: var(--slate-400); font-weight: 500; }

/* ── Content ── */
.content-body { padding: 24px; }

/* ── Cards ── */
.card {
    background: var(--white); border-radius: var(--radius);
    box-shadow: var(--shadow); border: 1px solid var(--slate-200);
    overflow: hidden;
}
.card-header {
    padding: 16px 20px; border-bottom: 1px solid var(--slate-100);
    display: flex; align-items: center; justify-content: space-between;
}
.card-title { font-size: .95rem; font-weight: 700; color: var(--slate-800); }
.card-body { padding: 20px; }

/* ── Stat Cards ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--white); border-radius: var(--radius); padding: 20px;
    border: 1px solid var(--slate-200); box-shadow: var(--shadow);
    display: flex; align-items: center; gap: 14px;
}
.stat-icon {
    width: 48px; height: 48px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; flex-shrink: 0;
}
.stat-icon.green  { background: var(--green-100); color: var(--green-600); }
.stat-icon.orange { background: #fff7ed; color: var(--orange-500); }
.stat-icon.blue   { background: var(--blue-100); color: var(--blue-500); }
.stat-icon.red    { background: var(--red-100); color: var(--red-500); }
.stat-icon.yellow { background: var(--yellow-100); color: var(--yellow-500); }
.stat-icon.slate  { background: var(--slate-100); color: var(--slate-600); }
.stat-info {}
.stat-label { font-size: .75rem; color: var(--slate-500); font-weight: 500; }
.stat-value { font-size: 1.5rem; font-weight: 800; color: var(--slate-800); line-height: 1.2; }
.stat-sub { font-size: .7rem; color: var(--slate-400); margin-top: 2px; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
    background: var(--slate-50); padding: 10px 14px;
    text-align: left; font-size: .75rem; font-weight: 600;
    color: var(--slate-500); text-transform: uppercase; letter-spacing: .5px;
    border-bottom: 1px solid var(--slate-200); white-space: nowrap;
}
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--slate-100); font-size: .85rem; color: var(--slate-700); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--slate-50); }
.td-actions { display: flex; gap: 6px; }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 20px; font-size: .72rem; font-weight: 600; white-space: nowrap; }
.badge-success  { background: var(--green-100); color: var(--green-700); }
.badge-warning  { background: var(--yellow-100); color: #854d0e; }
.badge-danger   { background: var(--red-100); color: #b91c1c; }
.badge-info     { background: var(--blue-100); color: #1d4ed8; }
.badge-secondary{ background: var(--slate-100); color: var(--slate-600); }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 8px 16px; border-radius: var(--radius-sm);
    font-size: .85rem; font-weight: 600; cursor: pointer;
    border: 1px solid transparent; transition: all var(--transition);
    white-space: nowrap;
}
.btn-primary { background: var(--green-600); color: var(--white); border-color: var(--green-600); }
.btn-primary:hover { background: var(--green-700); border-color: var(--green-700); }
.btn-secondary { background: var(--white); color: var(--slate-700); border-color: var(--slate-300); }
.btn-secondary:hover { background: var(--slate-50); border-color: var(--slate-400); }
.btn-danger { background: var(--red-500); color: var(--white); border-color: var(--red-500); }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: var(--yellow-500); color: var(--white); border-color: var(--yellow-500); }
.btn-info { background: var(--blue-500); color: var(--white); border-color: var(--blue-500); }
.btn-orange { background: var(--orange-500); color: var(--white); border-color: var(--orange-500); }
.btn-sm { padding: 5px 10px; font-size: .78rem; gap: 5px; }
.btn-icon { padding: 6px 8px; }
.btn i { font-size: .85em; }

/* ── Forms ── */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: .8rem; font-weight: 600; color: var(--slate-600); }
label .required { color: var(--red-500); margin-left: 2px; }
input, select, textarea {
    width: 100%; padding: 9px 12px;
    border: 1px solid var(--slate-300); border-radius: var(--radius-sm);
    font-size: .875rem; color: var(--slate-700); font-family: inherit;
    background: var(--white); transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(34,197,94,.12);
}
textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: .75rem; color: var(--slate-400); }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

/* ── Alerts ── */
.alert {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; border-radius: var(--radius-sm);
    margin-bottom: 16px; font-size: .875rem; font-weight: 500;
}
.alert i { flex-shrink: 0; }
.alert-close { margin-left: auto; background: none; border: none; cursor: pointer; font-size: 1.1rem; opacity: .6; }
.alert-close:hover { opacity: 1; }
.alert-success { background: var(--green-100); color: var(--green-700); border: 1px solid #bbf7d0; }
.alert-danger   { background: var(--red-100); color: #b91c1c; border: 1px solid #fecaca; }
.alert-warning  { background: var(--yellow-100); color: #854d0e; border: 1px solid #fde68a; }
.alert-info     { background: var(--blue-100); color: #1d4ed8; border: 1px solid #bfdbfe; }

/* ── Page Header ── */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.page-header h2 { font-size: 1.05rem; font-weight: 700; color: var(--slate-800); }
.page-header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Filters ── */
.filters-bar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filters-bar input, .filters-bar select { max-width: 220px; }

/* ── Pagination ── */
.pagination { display: flex; align-items: center; gap: 4px; margin-top: 16px; }
.page-btn {
    padding: 6px 10px; border: 1px solid var(--slate-200); border-radius: 6px;
    background: var(--white); color: var(--slate-600); font-size: .8rem;
    cursor: pointer; transition: all var(--transition); text-align: center; min-width: 32px;
}
.page-btn:hover { border-color: var(--green-500); color: var(--green-600); }
.page-btn.active { background: var(--green-600); color: var(--white); border-color: var(--green-600); }
.page-btn.disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }

/* ── Modal ── */
.modal-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(15,23,42,.5); z-index: 200;
    align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--white); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); width: 100%; max-width: 640px;
    max-height: 90vh; display: flex; flex-direction: column;
    animation: modalIn .2s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(.96) translateY(8px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header { padding: 18px 20px; border-bottom: 1px solid var(--slate-200); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 1rem; font-weight: 700; color: var(--slate-800); }
.modal-close { background: none; border: none; font-size: 1.3rem; color: var(--slate-400); cursor: pointer; padding: 2px 6px; border-radius: 4px; }
.modal-close:hover { color: var(--slate-700); }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--slate-200); display: flex; justify-content: flex-end; gap: 8px; }

/* ── Upload Preview ── */
.logo-preview { width: 80px; height: 80px; border-radius: var(--radius-sm); object-fit: cover; border: 2px solid var(--slate-200); margin-top: 6px; }
.logo-placeholder { width: 80px; height: 80px; border-radius: var(--radius-sm); background: var(--slate-100); display: flex; align-items: center; justify-content: center; color: var(--slate-400); font-size: 1.4rem; margin-top: 6px; border: 2px dashed var(--slate-300); }

/* ── Dashboard Charts area ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }

/* ── Login page ── */
.login-page { min-height: 100vh; background: var(--slate-900); display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { background: var(--white); border-radius: var(--radius); padding: 40px 36px; width: 100%; max-width: 400px; box-shadow: var(--shadow-lg); }
.login-brand { text-align: center; margin-bottom: 28px; }
.login-brand .brand-icon { font-size: 2.5rem; display: block; margin-bottom: 8px; }
.login-brand h1 { font-size: 1.6rem; font-weight: 800; color: var(--slate-800); }
.login-brand p { font-size: .85rem; color: var(--slate-400); margin-top: 4px; }
.login-form .form-group { margin-bottom: 14px; }
.login-form .btn { width: 100%; justify-content: center; padding: 11px; margin-top: 6px; font-size: .9rem; }

/* ── Tabs ── */
.tab-nav { display: flex; gap: 0; border-bottom: 2px solid var(--slate-200); margin-bottom: 20px; }
.tab-btn { padding: 10px 18px; background: none; border: none; border-bottom: 2px solid transparent; margin-bottom: -2px; cursor: pointer; font-size: .875rem; font-weight: 500; color: var(--slate-500); transition: all var(--transition); }
.tab-btn.active { color: var(--green-600); border-bottom-color: var(--green-600); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 40px 20px; color: var(--slate-400); }
.empty-state i { font-size: 2.5rem; margin-bottom: 10px; opacity: .4; }
.empty-state p { font-size: .9rem; }

/* ── Responsive ── */
.topbar-hamburger {
    display: none;
    background: none;
    border: 1px solid var(--slate-200);
    color: var(--slate-600);
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    margin-right: 8px;
    transition: all var(--transition);
}
.topbar-hamburger:hover { border-color: var(--green-500); color: var(--green-600); }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.5);
    z-index: 99;
}
.sidebar-overlay.open { display: block; }

@media (max-width: 768px) {
    .topbar-hamburger { display: flex; align-items: center; }
    .sidebar { 
        width: var(--sidebar-w);
        transform: translateX(-100%);
        transition: transform 200ms ease;
        z-index: 100;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .content-body { padding: 16px; }
    .filters-bar input, .filters-bar select { max-width: 100%; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}