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

:root {
    /* Startup Blue-White Theme */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --sidebar-bg: #1e293b;
    --primary-blue: #3b82f6;
    --primary-blue-light: #60a5fa;
    --primary-blue-dark: #2563eb;
    --accent-blue: #0ea5e9;
    --main-bg: #f8fafc;
    --text-white: #ffffff;
    --text-gray: #94a3b8;
    --text-dark: #1e293b;
    --card-bg: #1e293b;
    --card-border: #334155;
    --input-bg: #334155;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-darker);
    color: var(--text-white);
    min-height: 100vh;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.search-container {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 0 12px;
    width: 280px;
    transition: all 0.2s;
}

.search-container:focus-within {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.header-search {
    flex: 1;
    background: none;
    border: none;
    padding: 10px 8px;
    color: var(--text-white);
    font-size: 14px;
}

.header-search::placeholder {
    color: var(--text-gray);
}

.search-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    padding: 4px;
}

.pull-model-btn {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    border: none;
    color: var(--text-white);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    padding: 10px 20px;
    border-radius: 10px;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.pull-model-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.main-nav {
    display: flex;
    gap: 4px;
    margin-left: auto;
}

.nav-link,
.nav-link:link,
.nav-link:visited {
    color: var(--text-gray) !important;
    text-decoration: none;
    font-size: 14px;
    padding: 10px 14px;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--text-white) !important;
    background-color: var(--card-bg);
}

.nav-link.active,
.nav-link.active:link,
.nav-link.active:visited {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--text-white) !important;
    font-weight: 500;
}

.nav-link.logout {
    color: var(--text-gray);
}

/* Container */
.container {
    display: flex;
    min-height: calc(100vh - 60px);
}

/* Sidebar */
.sidebar {
    width: 400px;
    background-color: var(--main-bg);
    padding: 24px;
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.filter-tab {
    background: var(--text-white);
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text-dark);
    transition: all 0.2s;
    font-weight: 500;
}

.filter-tab:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.filter-tab.active {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--text-white);
}

.task-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.pill {
    background-color: var(--bg-dark);
    color: var(--text-white);
    border: none;
    border-radius: 25px;
    padding: 10px 18px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    font-weight: 500;
}

.pill:hover {
    background-color: var(--primary-blue);
}

.pill.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
}

.pill .remove {
    font-size: 16px;
    opacity: 0.7;
}

.section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.parameters-section {
    margin-bottom: 28px;
}

.param-range {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-gray);
    margin-bottom: 8px;
    font-weight: 500;
}

.param-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: #e2e8f0;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.param-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background-color: var(--text-white);
    border: 3px solid var(--primary-blue);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.libraries-section,
.apps-section {
    margin-bottom: 28px;
}

.library-pills,
.app-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.lib-pill,
.app-pill {
    background-color: var(--bg-dark);
    color: var(--text-white);
    border: none;
    border-radius: 25px;
    padding: 10px 18px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.lib-pill:hover,
.app-pill:hover {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
}

/* Main Content */
.main-content {
    flex: 1;
    background-color: var(--bg-darker);
    padding: 24px;
}

.content-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 28px;
}

.page-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-white);
}

.filter-search {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 25px;
    padding: 10px 18px;
    gap: 10px;
    transition: all 0.2s;
}

.filter-search:focus-within {
    border-color: var(--primary-blue);
}

.filter-search input {
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 14px;
    width: 150px;
}

.filter-search input::placeholder {
    color: var(--text-gray);
}

.filter-search svg {
    color: var(--text-gray);
}

.sort-dropdown {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sort-dropdown span {
    color: var(--text-gray);
    font-size: 14px;
}

.sort-dropdown select {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--text-white);
    border: none;
    border-radius: 10px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

/* Models Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.model-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 22px;
    cursor: pointer;
    transition: all 0.2s;
}

.model-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.model-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-white);
}

.model-meta {
    font-size: 13px;
    color: var(--text-gray);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.page-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 14px;
    padding: 10px 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    font-weight: 500;
}

.page-btn:hover {
    background-color: var(--card-bg);
    color: var(--text-white);
}

.page-btn.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: var(--text-white);
}

.page-dots {
    color: var(--text-gray);
    padding: 0 8px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 4px;
}

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

/* Train Model Button */
.train-model-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    color: var(--text-white);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    padding: 10px 20px;
    border-radius: 10px;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.train-model-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* Training Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.training-modal {
    background-color: var(--sidebar-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    width: 100%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--card-border);
}

.modal-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
}

.modal-header h2 svg {
    color: #10b981;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.modal-body {
    padding: 24px;
}

.form-section {
    margin-bottom: 24px;
}

.form-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-blue-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--card-border);
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 8px;
    font-weight: 500;
}

.param-display {
    color: var(--primary-blue-light);
    font-weight: 600;
    float: right;
}

.form-group select,
.form-group input[type="number"] {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 12px;
    color: var(--text-white);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
}

.form-group select:focus,
.form-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: #e2e8f0;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

/* Training View */
.training-view {
    padding: 24px;
}

.training-status {
    background: var(--bg-darker);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
}

.status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.status-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.status-badge.running {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.status-badge.completed {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-blue-light);
}

.status-badge.stopped {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.pulse {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.model-info {
    color: var(--text-gray);
    font-size: 14px;
}

.training-stats {
    display: flex;
    gap: 24px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-item .stat-label {
    font-size: 11px;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-item .stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-white);
}

.progress-bar-container {
    height: 8px;
    background: var(--input-bg);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #059669);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Chart Container */
.chart-container {
    background: var(--bg-darker);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.chart-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-white);
}

.chart-legend {
    display: flex;
    gap: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-gray);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-item.train .legend-dot {
    background: var(--primary-blue);
}

.legend-item.val .legend-dot {
    background: #f97316;
}

#lossChart {
    width: 100%;
    background: var(--sidebar-bg);
    border-radius: 12px;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.metric-card {
    background: var(--bg-darker);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.metric-label {
    display: block;
    font-size: 11px;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.metric-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-white);
}

/* Modal Footer */
.modal-footer {
    display: flex;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--card-border);
}

.btn-cancel {
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    background: none;
    border: 1px solid var(--card-border);
    color: var(--text-gray);
    transition: all 0.2s;
}

.btn-cancel:hover {
    background: var(--input-bg);
    color: var(--text-white);
}

.btn-start {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    transition: all 0.2s;
}

.btn-start:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

.btn-stop {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: none;
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    transition: all 0.2s;
}

.btn-stop:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

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

    .sidebar {
        width: 300px;
    }

    .training-modal {
        max-width: 95%;
    }

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

@media (max-width: 900px) {
    .header {
        flex-wrap: wrap;
        gap: 12px;
    }

    .search-container {
        order: 5;
        width: 100%;
    }

    .main-nav {
        flex-wrap: wrap;
    }

    .nav-link {
        padding: 8px 10px;
        font-size: 13px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: fixed;
        top: 60px;
        left: -100%;
        height: calc(100vh - 60px);
        z-index: 1000;
        transition: left 0.3s ease;
        overflow-y: auto;
    }

    .sidebar.open {
        left: 0;
    }

    .main-content {
        width: 100%;
        padding: 16px;
    }

    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .filter-search {
        width: 100%;
    }

    .filter-search input {
        width: 100%;
    }

    .sort-dropdown {
        margin-left: 0;
        width: 100%;
    }

    .sort-dropdown select {
        width: 100%;
    }

    .header {
        padding: 10px 16px;
    }

    .pull-model-btn,
    .train-model-btn {
        padding: 8px 14px;
        font-size: 13px;
    }

    .train-model-btn svg {
        display: none;
    }

    .main-nav {
        display: none;
    }

    .filter-tabs {
        gap: 6px;
    }

    .filter-tab {
        padding: 6px 10px;
        font-size: 12px;
    }

    .task-pills {
        gap: 8px;
    }

    .pill {
        padding: 8px 14px;
        font-size: 12px;
    }

    .model-card {
        padding: 16px;
    }

    .model-name {
        font-size: 14px;
    }

    /* Training Modal Mobile */
    .training-modal {
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .metric-card {
        padding: 12px;
    }

    .metric-value {
        font-size: 16px;
    }

    .training-stats {
        gap: 16px;
    }

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
    .header {
        padding: 10px 12px;
    }

    .logo {
        font-size: 16px;
    }

    .pull-model-btn,
    .train-model-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .sidebar {
        padding: 16px;
    }

    .page-title {
        font-size: 20px;
    }

    .pagination {
        gap: 4px;
    }

    .page-btn {
        padding: 8px 10px;
        font-size: 12px;
    }

    .status-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    #lossChart {
        height: 200px;
    }
}