/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --purple:     #1a0a2e;
    --purple-mid: #2d1250;
    --purple-light:#4a1f7a;
    --gold:       #d4af37;
    --gold-light: #f0d060;
    --white:      #ffffff;
    --bg:         #f4f5f9;
    --text:       #2c2c2c;
    --text-muted: #777;
    --border:     #e0e0e0;
    --success-bg: #d4edda;
    --success-tx: #155724;
    --error-bg:   #f8d7da;
    --error-tx:   #721c24;
    --sidebar-w:  240px;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

/* ===== Login Page ===== */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--purple) 0%, var(--purple-mid) 60%, #3a1060 100%);
}

.login-box {
    background: var(--white);
    border-radius: 12px;
    padding: 40px 36px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    text-align: center;
}

.login-logo img {
    height: 60px;
    margin-bottom: 16px;
    object-fit: contain;
}

.login-box h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--purple);
    margin-bottom: 4px;
}

.login-sub {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 24px;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--purple-light), var(--purple));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    margin-top: 8px;
    letter-spacing: 0.5px;
}

.btn-login:hover { opacity: 0.85; }

/* ===== Admin Layout ===== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-w);
    background: var(--purple);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-logo {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo img {
    width: 100%;
    max-height: 125px;
    object-fit: contain;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 22px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    color: var(--white);
    background: rgba(255,255,255,0.06);
    border-left-color: var(--gold);
}

.nav-item.active {
    color: var(--gold);
    background: rgba(212,175,55,0.1);
    border-left-color: var(--gold);
}

.nav-item i { width: 18px; text-align: center; font-size: 14px; }

.nav-logout {
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,150,150,0.8);
}

.nav-logout:hover { color: #ff8080; background: rgba(255,80,80,0.08); border-left-color: #ff8080; }

/* ===== Main Content ===== */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 0 0 40px;
    min-width: 0;
}

/* ===== Topbar ===== */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--purple);
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar h1 i { color: var(--gold); }

.topbar-user {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ===== Alerts ===== */
.alert {
    margin: 20px 28px 0;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 500;
}

.alert-success { background: var(--success-bg); color: var(--success-tx); border: 1px solid #c3e6cb; }
.alert-error   { background: var(--error-bg);   color: var(--error-tx);   border: 1px solid #f5c6cb; }

/* ===== Stat Cards (Dashboard) ===== */
.stat-cards {
    display: flex;
    gap: 20px;
    padding: 24px 28px 0;
    flex-wrap: wrap;
}

.stat-card {
    background: var(--white);
    border-radius: 10px;
    padding: 22px 26px;
    display: flex;
    align-items: center;
    gap: 18px;
    flex: 1;
    min-width: 180px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid var(--border);
}

.stat-card h3 { font-size: 32px; font-weight: 700; color: var(--purple); }
.stat-card p  { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

.stat-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.arrival-icon    { background: rgba(212,175,55,0.12); color: var(--gold); }
.collection-icon { background: rgba(106,44,107,0.12); color: var(--purple-light); }

/* ===== Panels ===== */
.dashboard-grid,
.page-grid {
    display: grid;
    gap: 24px;
    padding: 24px 28px 0;
}

.dashboard-grid { grid-template-columns: 1fr 1fr; }
.page-grid      { grid-template-columns: 380px 1fr; }

.panel {
    background: var(--white);
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: #fafafa;
}

.panel-header h2 { font-size: 14px; font-weight: 600; color: var(--purple); }
.panel-link { font-size: 12px; color: var(--gold); text-decoration: none; font-weight: 600; }
.panel-link:hover { color: var(--purple); }
.count { color: var(--text-muted); font-weight: 400; }

/* ===== Table ===== */
.table-wrap { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table thead th {
    padding: 11px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: #f8f8f8;
    border-bottom: 1px solid var(--border);
}

.data-table tbody tr { border-bottom: 1px solid var(--border); transition: background 0.15s; }
.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: #fafafa; }

.data-table td {
    padding: 10px 14px;
    vertical-align: middle;
    color: var(--text);
}

.thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(212,175,55,0.15);
    color: #8a6800;
    border: 1px solid rgba(212,175,55,0.3);
    white-space: nowrap;
}

.badge-cat {
    background: rgba(106,44,107,0.1);
    color: var(--purple-light);
    border-color: rgba(106,44,107,0.2);
    text-transform: capitalize;
}

.desc-preview {
    display: block;
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 2px;
    font-weight: 400;
}

.no-data { text-align: center; color: var(--text-muted); padding: 28px; }

/* ===== Delete Button ===== */
.btn-delete {
    background: none;
    border: 1px solid #e0b0b0;
    color: #c0392b;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.btn-delete:hover { background: #fdecea; border-color: #c0392b; }

/* ===== Forms ===== */
.admin-form { padding: 20px; }

.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--purple);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.form-group label small { text-transform: none; font-weight: 400; color: var(--text-muted); letter-spacing: 0; font-size: 11px; }

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 13px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 13.5px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    outline: none;
    transition: border 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--purple-light);
    box-shadow: 0 0 0 3px rgba(74,31,122,0.08);
}

.form-group textarea { resize: vertical; }

.req { color: #c0392b; margin-left: 2px; }

/* ===== Upload Area ===== */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: border-color 0.2s, background 0.2s;
    color: var(--text-muted);
}

.upload-area:hover { border-color: var(--purple-light); background: rgba(74,31,122,0.03); }

.upload-area i { font-size: 28px; color: var(--gold); margin-bottom: 8px; display: block; }
.upload-area p  { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.upload-area small { font-size: 11px; }

.upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.img-preview {
    margin-top: 12px;
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
}

/* ===== Submit Button ===== */
.btn-submit {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--purple-light), var(--purple));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: opacity 0.2s;
    font-family: inherit;
    letter-spacing: 0.3px;
}

.btn-submit:hover { opacity: 0.88; }

/* ===== Login form groups ===== */
.login-box .form-group {
    text-align: left;
    margin-bottom: 16px;
}

.login-box .form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--purple);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.login-box .form-group input {
    width: 100%;
    padding: 10px 13px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border 0.2s, box-shadow 0.2s;
}

.login-box .form-group input:focus {
    border-color: var(--purple-light);
    box-shadow: 0 0 0 3px rgba(74,31,122,0.08);
}

/* ===== Hamburger Toggle ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 99;
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    color: var(--purple);
    font-size: 20px;
    line-height: 1;
    margin-right: 12px;
    flex-shrink: 0;
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
    .page-grid      { grid-template-columns: 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    :root { --sidebar-w: 220px; }
    .topbar h1 { font-size: 17px; }
}

@media (max-width: 768px) {
    /* Sidebar becomes off-canvas overlay */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.28s ease;
        z-index: 200;
        width: var(--sidebar-w);
    }
    .admin-layout.sidebar-open .sidebar {
        transform: translateX(0);
    }
    .admin-layout.sidebar-open .sidebar-overlay {
        display: block;
    }

    .main-content { margin-left: 0; }

    /* Hamburger visible */
    .hamburger-btn { display: flex; align-items: center; }

    /* Topbar adjustments */
    .topbar { padding: 14px 16px; gap: 8px; }
    .topbar h1 { font-size: 15px; gap: 7px; }
    .topbar-user { font-size: 12px; }

    /* Stat cards stack */
    .stat-cards { flex-direction: column; padding: 16px 16px 0; gap: 12px; }
    .stat-card   { min-width: unset; }

    /* Grids stack */
    .page-grid      { padding: 16px 16px 0; gap: 16px; }
    .dashboard-grid { padding: 16px 16px 0; gap: 16px; }

    /* Forms */
    .form-row   { grid-template-columns: 1fr; }
    .admin-form { padding: 16px; }
    .panel-header { padding: 12px 16px; }

    /* Alerts */
    .alert { margin: 14px 16px 0; }

    /* Table horizontal scroll */
    .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .data-table { min-width: 480px; }
}

@media (max-width: 480px) {
    .topbar h1 { font-size: 14px; }
    .topbar-user span { display: none; }
    .stat-card h3 { font-size: 26px; }
    .btn-submit, .btn-cancel { padding: 9px 14px; font-size: 13px; }
    .upload-area { padding: 20px 12px; }
}