/* ============================================================
   CONCEPT 5: "Neo-Brutalism" - Playful, Colorful, Geometric
   Asymmetric layouts, bold colors, overlapping elements
   ============================================================ */

/* Google Fonts loaded via <link> in base.html for better performance */

:root {
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FFE8D6;
    --success: #2EC4B6;
    --success-dark: #25A99D;
    --success-light: #D4F5F0;
    --warning: #FFD166;
    --warning-dark: #E5BC5C;
    --warning-light: #FFF3D6;
    --danger: #EF476F;
    --danger-dark: #D63D62;
    --danger-light: #FDD8E2;
    --info: #118AB2;
    --info-light: #D4EDF5;

    --bg-body: #FDF6F0;
    --bg-card: #FFFFFF;
    --bg-surface: #FFF0E6;
    --bg-navbar: #2D3047;

    --text-primary: #2D3047;
    --text-secondary: #555770;
    --text-muted: #9E9EB8;
    --text-light: #FFFFFF;

    --border-color: #2D3047;
    --shadow-sm: 4px 4px 0px #2D3047;
    --shadow: 6px 6px 0px #2D3047;
    --shadow-md: 8px 8px 0px #2D3047;
    --shadow-lg: 10px 10px 0px #2D3047;
    --shadow-xl: 12px 12px 0px #2D3047;

    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --font-family: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Base --- */
body {
    background-color: var(--bg-body);
    background-image: radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.05) 0%, transparent 50%),
                      radial-gradient(circle at 80% 20%, rgba(46, 196, 182, 0.05) 0%, transparent 50%),
                      radial-gradient(circle at 50% 80%, rgba(239, 71, 111, 0.05) 0%, transparent 50%);
    font-family: var(--font-family);
    color: var(--text-primary);
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

h2 {
    font-size: 1.75rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

/* --- Navbar --- */
.navbar {
    background: var(--bg-navbar) !important;
    border-bottom: 4px solid var(--primary);
    padding: 0.6rem 1.5rem;
    position: relative;
}

.navbar::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--success);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff !important;
    background: none;
    -webkit-text-fill-color: #fff;
    letter-spacing: -0.5px;
    position: relative;
    padding: 0.25rem 0.75rem;
    background: var(--primary) !important;
    border-radius: var(--radius-sm);
    transform: rotate(-1deg);
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
    transform: rotate(-1deg);
}

.navbar-dark .navbar-nav .nav-link i {
    margin-right: 8px;
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 3px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: -4px;
    bottom: -4px;
    background: var(--primary-light);
    border-radius: var(--radius);
    z-index: -1;
    transition: var(--transition);
    opacity: 0;
}

.card:hover {
    box-shadow: none;
    transform: translate(-2px, -2px);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    border-radius: var(--radius) var(--radius) 0 0 !important;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.9rem 1.25rem;
    border-bottom: 3px solid var(--border-color);
    background: var(--bg-surface) !important;
}

.card-header.bg-primary {
    background: var(--primary) !important;
    color: #fff !important;
    border-bottom: 3px solid var(--border-color) !important;
}

.card-header.bg-success {
    background: var(--success) !important;
    color: #fff !important;
    border-bottom: 3px solid var(--border-color) !important;
}

.card-header.bg-info {
    background: var(--info) !important;
    color: #fff !important;
    border-bottom: 3px solid var(--border-color) !important;
}

.card-header.bg-warning {
    background: var(--warning) !important;
    color: var(--text-primary) !important;
    border-bottom: 3px solid var(--border-color) !important;
}

.card-header.bg-dark {
    background: var(--bg-navbar) !important;
    color: #fff !important;
    border-bottom: 3px solid var(--primary) !important;
}

.card-body {
    padding: 1.25rem;
}

/* --- Buttons --- */
.btn {
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border: 3px solid var(--border-color);
    text-transform: none;
    letter-spacing: 0.01em;
    box-shadow: 3px 3px 0px var(--border-color);
    position: relative;
}

.btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px var(--border-color);
}

.btn:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--border-color);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: var(--success-dark);
    color: #fff;
}

.btn-warning {
    background: var(--warning);
    color: var(--text-primary);
}

.btn-warning:hover {
    background: var(--warning-dark);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: var(--danger-dark);
    color: #fff;
}

.btn-outline-primary {
    border: 3px solid var(--primary);
    color: var(--primary);
    background: #fff;
    box-shadow: 3px 3px 0px var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
    box-shadow: 5px 5px 0px var(--primary-dark);
}

.btn-outline-success {
    border: 3px solid var(--success);
    color: var(--success);
    background: #fff;
    box-shadow: 3px 3px 0px var(--success);
}

.btn-outline-success:hover {
    background: var(--success);
    color: #fff;
    box-shadow: 5px 5px 0px var(--success-dark);
}

.btn-outline-info {
    border: 3px solid var(--info);
    color: var(--info);
    background: #fff;
    box-shadow: 3px 3px 0px var(--info);
}

.btn-outline-info:hover {
    background: var(--info);
    color: #fff;
    box-shadow: 5px 5px 0px #0E7490;
}

.btn-outline-warning {
    border: 3px solid var(--warning);
    color: var(--warning-dark);
    background: #fff;
    box-shadow: 3px 3px 0px var(--warning);
}

.btn-outline-warning:hover {
    background: var(--warning);
    color: var(--text-primary);
    box-shadow: 5px 5px 0px var(--warning-dark);
}

.btn-outline-danger {
    border: 3px solid var(--danger);
    color: var(--danger);
    background: #fff;
    box-shadow: 3px 3px 0px var(--danger);
}

.btn-outline-danger:hover {
    background: var(--danger);
    color: #fff;
    box-shadow: 5px 5px 0px var(--danger-dark);
}

.btn-sm {
    padding: 0.35rem 0.8rem;
    font-size: 0.75rem;
    box-shadow: 2px 2px 0px var(--border-color);
}

.btn-group-sm > .btn {
    padding: 0.25rem 0.6rem;
    font-size: 0.7rem;
}

/* --- Tables --- */
.table {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.table thead th {
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 3px solid var(--border-color);
    padding: 0.75rem 0.75rem;
    color: var(--text-primary);
}

.table-dark th {
    background: var(--bg-navbar) !important;
    color: #fff !important;
    border-color: var(--border-color) !important;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--primary-light);
}

.table td {
    padding: 0.7rem 0.75rem;
    vertical-align: middle;
    border-bottom: 2px solid var(--border-color);
}

/* --- Form Controls --- */
.form-control, .form-select {
    border: 3px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.75rem;
    font-size: 0.875rem;
    font-family: var(--font-family);
    transition: var(--transition);
    background-color: #fff;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 4px 4px 0px rgba(255, 107, 53, 0.2);
    outline: none;
}

.form-label {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

/* --- Badges --- */
.badge {
    font-weight: 700;
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.01em;
    border: 2px solid var(--border-color);
}

.badge.bg-primary { background: var(--primary) !important; color: #fff !important; }
.badge.bg-success { background: var(--success) !important; color: #fff !important; }
.badge.bg-danger { background: var(--danger) !important; color: #fff !important; }
.badge.bg-warning { background: var(--warning) !important; color: var(--text-primary) !important; }
.badge.bg-info { background: var(--info) !important; color: #fff !important; }
.badge.bg-secondary { background: #9E9EB8 !important; color: #fff !important; }
.badge.bg-dark { background: var(--bg-navbar) !important; color: #fff !important; }

/* --- Alerts --- */
.alert {
    border-radius: var(--radius);
    border: 3px solid var(--border-color);
    font-weight: 600;
    padding: 1rem 1.25rem;
    box-shadow: 4px 4px 0px var(--border-color);
}

.alert-success {
    background: var(--success-light);
    color: var(--success-dark);
    border-color: var(--success);
}

.alert-danger {
    background: var(--danger-light);
    color: var(--danger-dark);
    border-color: var(--danger);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
    border-color: var(--warning);
}

.alert-info {
    background: var(--info-light);
    color: var(--info);
    border-color: var(--info);
}

/* --- Pagination --- */
.pagination {
    margin-top: 1.25rem;
    gap: 4px;
}

.page-link {
    border: 3px solid var(--border-color);
    border-radius: var(--radius-sm) !important;
    padding: 0.4rem 0.8rem;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-primary);
    background: #fff;
    transition: var(--transition);
    box-shadow: 2px 2px 0px var(--border-color);
}

.page-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0px var(--primary);
}

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--border-color);
    color: #fff;
    box-shadow: 3px 3px 0px var(--border-color);
}

.page-item.disabled .page-link {
    background: #eee;
    border-color: #ccc;
    color: #999;
    box-shadow: none;
}

/* --- Dropdown --- */
.dropdown-menu {
    border: 3px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0.25rem;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.8rem;
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.dropdown-item.active {
    background: var(--primary);
    color: #fff;
}

/* --- Login Page --- */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-body);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.1;
}

.login-container::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
    background: var(--success);
    border-radius: 50%;
    opacity: 0.1;
}

.login-card {
    background: #fff;
    border: 4px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 12px 12px 0px var(--border-color);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

.login-card .card-header {
    background: transparent !important;
    border-bottom: none;
    padding: 0 0 1.5rem 0;
    text-align: center;
}

.login-card .card-header h4 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    background: none;
    -webkit-text-fill-color: var(--text-primary);
    letter-spacing: -0.03em;
}

.login-card .card-header h4::after {
    display: none;
}

.login-card .card-body {
    padding: 0;
}

.login-card .form-control {
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
}

.login-card .btn {
    padding: 0.7rem;
    font-size: 1rem;
}

/* --- Stat Cards --- */
.stat-card {
    background: #fff;
    border: 3px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    right: -3px;
    bottom: -3px;
    background: var(--success-light);
    border-radius: var(--radius);
    z-index: -1;
    transition: var(--transition);
    opacity: 0;
}

.stat-card:hover {
    box-shadow: none;
    transform: translate(-2px, -2px);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    border: 3px solid var(--border-color);
    background: var(--primary-light) !important;
    color: var(--primary) !important;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* --- Grade Colors --- */
.grade-ABC { background: var(--success-light) !important; }
.grade-D { background: var(--warning-light) !important; }
.grade-E { background: var(--info-light) !important; }
.grade-F { background: var(--danger-light) !important; }

th.grade-ABC { background: var(--success) !important; color: #fff !important; }
th.grade-D { background: var(--warning) !important; color: var(--text-primary) !important; }
th.grade-E { background: var(--info) !important; color: #fff !important; }
th.grade-F { background: var(--danger) !important; color: #fff !important; }

/* --- Packing Item Row --- */
.packing-item-row {
    background: var(--bg-surface);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 3px dashed var(--border-color);
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.packing-item-row:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

/* --- List Group --- */
.list-group-item {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm) !important;
    margin-bottom: 4px;
    transition: var(--transition);
}

.list-group-item:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.version-badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.7rem;
    border-radius: 0;
    letter-spacing: 0.02em;
    border: 2px solid #000;
    box-shadow: 3px 3px 0 #000;
    text-transform: uppercase;
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card, .alert, .stat-card {
    animation: fadeIn 0.3s ease-out;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1rem;
    }
    .card-body {
        padding: 1rem;
    }
    .login-card {
        padding: 1.5rem;
    }
}