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

:root {
    --primary-color: #0366d6;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
    --info-color: #17a2b8;
    --bg-color: #f6f8fa;
    --card-bg: #ffffff;
    --text-primary: #24292e;
    --text-secondary: #586069;
    --border-color: #e1e4e8;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-hover: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

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

/* Header */
header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--primary-color), #0550ae);
    color: white;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1em;
    opacity: 0.9;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.stat-value {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sections */
.section {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.section-header h2 {
    font-size: 1.5em;
    color: var(--text-primary);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.btn-primary:hover {
    background: #0550ae;
}

.btn-secondary {
    background: var(--text-secondary);
    color: white;
}

.btn-secondary:hover {
    background: #444d56;
}

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

.btn-warning {
    background: var(--warning-color);
    color: #212529;
}

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

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

/* Repository List */
.repos-list {
    display: grid;
    gap: 15px;
}

.repo-card {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.2s;
}

.repo-card:hover {
    box-shadow: var(--shadow);
}

.repo-card.status-synced {
    border-left-color: var(--success-color);
}

.repo-card.status-error {
    border-left-color: var(--error-color);
}

.repo-card.status-conflict {
    border-left-color: var(--warning-color);
}

.repo-card.status-cloning {
    border-left-color: var(--info-color);
}

.repo-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.repo-name {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.repo-url {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

.repo-status {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.repo-status.synced {
    background: #d4edda;
    color: #155724;
}

.repo-status.error {
    background: #f8d7da;
    color: #721c24;
}

.repo-status.conflict {
    background: #fff3cd;
    color: #856404;
}

.repo-status.cloning {
    background: #d1ecf1;
    color: #0c5460;
}

.repo-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
    padding: 15px;
    background: white;
    border-radius: 6px;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.8em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}

.info-value {
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--text-primary);
}

.repo-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Logs List */
.logs-list {
    max-height: 500px;
    overflow-y: auto;
}

.log-entry {
    padding: 12px;
    border-left: 3px solid var(--info-color);
    background: var(--bg-color);
    margin-bottom: 10px;
    border-radius: 4px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 15px;
    align-items: start;
}

.log-entry.success {
    border-left-color: var(--success-color);
}

.log-entry.error {
    border-left-color: var(--error-color);
}

.log-entry.warning {
    border-left-color: var(--warning-color);
}

.log-entry.info {
    border-left-color: var(--info-color);
}

.log-timestamp {
    font-size: 0.85em;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    white-space: nowrap;
}

.log-content {
    flex: 1;
}

.log-message {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.log-details {
    font-size: 0.85em;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5em;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2em;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(3, 102, 214, 0.1);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 0.85em;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.input-with-copy {
    display: flex;
    gap: 10px;
}

.input-with-copy input {
    flex: 1;
}

/* Commits List */
.commits-list {
    max-height: 400px;
    overflow-y: auto;
}

.commit-item {
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.commit-item:hover {
    background: var(--bg-color);
    border-color: var(--primary-color);
}

.commit-hash {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.commit-message {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.commit-meta {
    font-size: 0.85em;
    color: var(--text-secondary);
}

/* Alert */
.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.alert-info {
    background: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.alert-info ol {
    margin: 10px 0 0 20px;
}

/* Toast Notifications */
#toastContainer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: white;
    padding: 15px 20px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 300px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--error-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

.toast.info {
    border-left: 4px solid var(--info-color);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

.loading::before {
    content: "⏳ ";
    font-size: 1.5em;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state::before {
    content: "📁";
    font-size: 4em;
    display: block;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .repo-header {
        flex-direction: column;
        gap: 10px;
    }

    .repo-actions {
        width: 100%;
    }

    .repo-actions .btn {
        flex: 1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}