/* Dark Theme for Firmware Download Portal */

:root {
    --dark-bg: #1a1a1a;
    --darker-bg: #0d0d0d;
    --card-bg: #2d2d2d;
    --card-hover: #3a3a3a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
}

/* Body Styling */
body {
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    color: var(--text-primary);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Card Styling */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-header {
    border-bottom: 1px solid var(--border-color);
}

.card-footer {
    border-top: 1px solid var(--border-color);
}

/* Hover Effect for Cards */
.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5) !important;
}

.board-card {
    cursor: pointer;
    border-radius: 15px;
    overflow: hidden;
}

.board-card .card-body {
    background: linear-gradient(180deg, var(--card-bg) 0%, #252525 100%);
}

/* Form Controls */
.form-control,
.form-select {
    background-color: #3a3a3a;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background-color: #454545;
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-control::placeholder {
    color: #888;
}

.input-group-text {
    background-color: #3a3a3a;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* Labels */
.form-label {
    color: var(--text-primary);
    font-weight: 500;
}

/* Text Colors */
.text-muted {
    color: var(--text-secondary) !important;
}

/* List Group */
.list-group-item {
    background-color: #3a3a3a;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.list-group-item:hover {
    background-color: var(--card-hover);
    transform: translateX(5px);
    border-left: 3px solid var(--primary-color);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
    background-color: var(--card-hover);
    color: var(--text-primary);
}

/* Table Styling */
.table {
    color: var(--text-primary);
}

.table-hover tbody tr:hover {
    background-color: #3a3a3a;
}

.table thead th {
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    background-color: #252525;
}

.table td,
.table th {
    border-color: var(--border-color);
}

/* Alert Styling */
.alert {
    border-radius: 10px;
}

.alert-info {
    background-color: #1c3d5a;
    border-color: #2e5a7d;
    color: #a8d4ff;
}

.alert-success {
    background-color: #1a4d2e;
    border-color: #2e7d5a;
    color: #a8ffce;
}

.alert-danger {
    background-color: #5a1c1c;
    border-color: #7d2e2e;
    color: #ffa8a8;
}

/* Button Enhancements */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    border: none;
}

.btn-success {
    background: linear-gradient(135deg, #198754 0%, #146c43 100%);
    border: none;
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
    border: none;
    color: #000;
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-secondary:hover {
    background-color: var(--card-bg);
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* Navbar Enhancements */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(13, 13, 13, 0.95) !important;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.3rem;
}

.navbar-text {
    color: var(--text-secondary) !important;
}

/* Board Icon Animation */
.board-icon i {
    transition: transform 0.3s ease;
}

.board-card:hover .board-icon i {
    transform: scale(1.1) rotate(5deg);
}

/* Badge Styling */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Login Page Specific */
.min-vh-100 {
    background: radial-gradient(ellipse at top, #1a1a2e 0%, #0d0d0d 100%);
}

/* Animation for page load */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.5s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .board-card {
        margin-bottom: 1rem;
    }

    .navbar-brand {
        font-size: 1.1rem;
    }

    .display-4 {
        font-size: 2rem;
    }
}

/* File upload area */
.form-control[type="file"] {
    padding: 0.6rem;
}

.form-control[type="file"]::file-selector-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 5px;
    margin-right: 1rem;
    cursor: pointer;
}

.form-control[type="file"]::file-selector-button:hover {
    background-color: #0a58ca;
}

/* Shadow Effects */
.shadow-sm {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3) !important;
}

.shadow {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4) !important;
}

.shadow-lg {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5) !important;
}