/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #1a1a1a;
    --bg-darker: #0d0d0d;
    --bg-card: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-red: #dc2626;
    --accent-red-hover: #ef4444;
    --border-color: #3a3a3a;
    --success-green: #22c55e;
    --warning-orange: #f59e0b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header Styles */
header {
    background-color: var(--bg-darker);
    border-bottom: 3px solid var(--accent-red);
    padding: 20px 0;
    margin-bottom: 30px;
}

header .logo h1 {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 5px;
}

header .platform-title {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: normal;
}

/* Main Content */
main {
    flex: 1;
    padding-bottom: 40px;
}

/* Platform Selector */
.platform-selector {
    background-color: var(--bg-card);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.platform-selector h3 {
    margin-bottom: 15px;
    color: var(--text-primary);
}

.select-wrapper {
    position: relative;
}

.select-wrapper select {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--bg-darker);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    appearance: none;
}

.select-wrapper select:focus {
    outline: none;
    border-color: var(--accent-red);
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
}

/* Platform Description */
.platform-description {
    background-color: var(--bg-card);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid var(--accent-red);
}

/* Firmware Sections - Stack vertically for better mobile experience */
.firmware-sections {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.firmware-section {
    background-color: var(--bg-card);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.firmware-section h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--accent-red);
    border-bottom: 2px solid var(--accent-red);
    padding-bottom: 10px;
}

.firmware-item {
    background-color: var(--bg-darker);
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

.firmware-item:last-child {
    margin-bottom: 0;
}

.firmware-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.download-btn {
    background-color: var(--accent-red);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: background-color 0.3s;
}

.download-btn:hover {
    background-color: var(--accent-red-hover);
}

.version-name {
    color: var(--text-secondary);
    font-size: 14px;
}

.firmware-notes {
    background-color: var(--bg-card);
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    border-left: 3px solid var(--accent-red);
}

.firmware-date {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 10px;
}

.no-firmware {
    color: var(--text-secondary);
    text-align: center;
    padding: 30px;
}

/* Welcome Section */
.welcome {
    background-color: var(--bg-card);
    padding: 60px 40px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.welcome h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--accent-red);
}

.welcome p {
    color: var(--text-secondary);
    font-size: 18px;
}

/* Footer */
footer {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 25px 0;
    margin-top: auto;
    text-align: center;
}

footer p {
    color: var(--text-secondary);
    margin: 5px 0;
}

footer a {
    color: var(--accent-red);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Admin Styles */
.admin-page {
    background-color: var(--bg-dark);
}

.admin-header {
    background-color: var(--bg-darker);
    border-bottom: 3px solid var(--success-green);
    padding: 20px 0;
    margin-bottom: 30px;
}

.admin-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.admin-nav {
    display: flex;
    gap: 10px;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    max-width: 400px;
    width: 100%;
}

.login-box h2 {
    margin-bottom: 25px;
    text-align: center;
    color: var(--accent-red);
}

.login-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 15px;
}

.error-message {
    background-color: rgba(220, 38, 38, 0.2);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="file"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-darker);
    border: 2px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-red);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--accent-red);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-red-hover);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

.btn-success {
    background-color: var(--success-green);
    color: white;
}

.btn-success:hover {
    background-color: #16a34a;
}

.btn-danger {
    background-color: var(--accent-red);
    color: white;
}

.btn-danger:hover {
    background-color: #b91c1c;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    padding: 5px 10px;
    transition: transform 0.2s;
}

.btn-icon:hover {
    transform: scale(1.2);
}

/* Admin Dashboard */
.admin-container {
    padding: 20px 0;
}

.admin-actions {
    margin-bottom: 30px;
    display: flex;
    justify-content: flex-end;
}

/* Platform Grid */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.platform-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.3);
}

.platform-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.platform-card-header h3 {
    color: var(--accent-red);
    font-size: 18px;
}

.platform-actions {
    display: flex;
    gap: 5px;
}

.platform-card-body h4 {
    margin-bottom: 10px;
    font-size: 16px;
}

.firmware-count {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 15px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal.active {
    display: block;
}

.modal-content {
    background-color: var(--bg-card);
    margin: 5% auto;
    padding: 30px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    position: relative;
}

.modal-large .modal-content {
    max-width: 900px;
}

.modal-xlarge .modal-content {
    max-width: 1400px;
}

.close {
    color: var(--text-secondary);
    float: right;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover,
.close:focus {
    color: var(--accent-red);
}

.modal h2 {
    margin-bottom: 25px;
    color: var(--accent-red);
}

.modal h3 {
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.modal h3:first-of-type {
    margin-top: 0;
}

/* Firmware List */
.firmware-list-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.firmware-list-item {
    background-color: var(--bg-darker);
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.firmware-info {
    flex: 1;
}

.firmware-info h4 {
    margin-bottom: 5px;
    color: var(--text-primary);
}

.firmware-info p {
    color: var(--text-secondary);
    font-size: 13px;
    margin: 2px 0;
}

.beta-badge {
    background-color: var(--warning-orange);
    color: white;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 10px;
}

/* Radio Button Styles */
.radio-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 10px 15px;
    background-color: var(--bg-darker);
    border: 2px solid var(--border-color);
    border-radius: 5px;
    transition: all 0.3s;
}

.radio-label:hover {
    border-color: var(--accent-red);
}

.radio-label input[type="radio"] {
    margin-right: 8px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.radio-label input[type="radio"]:checked + span {
    color: var(--accent-red);
    font-weight: 600;
}

.radio-label span {
    color: var(--text-primary);
    font-size: 15px;
}

.form-note {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 8px;
    font-style: italic;
}

/* Release Badge Styles */
.release-badge {
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    margin-right: 10px;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Firmware Grid in Admin */
.firmware-grid {
    display: grid;
    gap: 15px;
}

.firmware-list-item.empty {
    opacity: 0.5;
    border-style: dashed;
}

.firmware-list-item.empty .firmware-info h4 {
    color: var(--text-secondary);
}

/* Loading and Messages */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.success-message {
    background-color: rgba(34, 197, 94, 0.2);
    border: 1px solid var(--success-green);
    color: var(--success-green);
    padding: 12px;
    border-radius: 5px;
    margin: 15px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .firmware-sections {
        grid-template-columns: 1fr;
    }
    
    .admin-header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Firmware Grid Manager (Side-by-Side Layout) */
.firmware-grid-manager {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 20px;
    align-items: start;
    margin-top: 30px;
}

.firmware-column {
    background-color: var(--bg-darker);
    border-radius: 8px;
    border: 2px solid var(--border-color);
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.firmware-column-header {
    padding: 15px 20px;
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.firmware-column-header.stable-header {
    background-color: rgba(34, 197, 94, 0.2);
    color: var(--success-green);
    border-bottom-color: var(--success-green);
}

.firmware-column-header.beta-header {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--warning-orange);
    border-bottom-color: var(--warning-orange);
}

.firmware-column-header.alpha-header {
    background-color: rgba(220, 38, 38, 0.2);
    color: var(--accent-red);
    border-bottom-color: var(--accent-red);
}

.firmware-slot {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.firmware-detail {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.firmware-detail h4 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.firmware-detail p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 4px 0;
}

.firmware-notes-display {
    background-color: var(--bg-card);
    padding: 12px;
    border-radius: 5px;
    border-left: 3px solid var(--accent-red);
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
    margin-top: 8px;
    max-height: 150px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.firmware-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* Promote Button Container */
.promote-button-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-promote {
    background-color: var(--bg-card);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-promote:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-promote.active {
    background-color: var(--success-green);
    color: white;
    border-color: var(--success-green);
}

.btn-promote.active:hover {
    background-color: #16a34a;
    transform: scale(1.05);
}

.btn-promote:disabled:hover {
    transform: none;
}

@media (max-width: 480px) {
    header .logo h1 {
        font-size: 22px;
    }
    
    .platform-selector {
        padding: 15px;
    }
    
    .firmware-section {
        padding: 15px;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 20px;
    }
    
    .firmware-grid-manager {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .promote-button-container {
        order: -1; /* Move buttons above columns on mobile */
    }
    
    .btn-promote {
        width: 100%;
    }
}