/* ═══════════════════════════════════════════
   JobSeek AI — Design System
   ═══════════════════════════════════════════ */

/* ── Tokens ── */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #253349;
    --bg-input: #162032;
    --border: #334155;
    --border-light: #1e293b;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.15);
    --accent-hover: #22d3ee;

    --green: #10b981;
    --green-bg: rgba(16, 185, 129, 0.12);
    --yellow: #f59e0b;
    --yellow-bg: rgba(245, 158, 11, 0.12);
    --red: #ef4444;
    --red-bg: rgba(239, 68, 68, 0.12);
    --blue: #3b82f6;
    --blue-bg: rgba(59, 130, 246, 0.12);
    --purple: #a855f7;
    --purple-bg: rgba(168, 85, 247, 0.12);
    --gold: #eab308;
    --gold-bg: rgba(234, 179, 8, 0.12);

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.35);

    --sidebar-width: 240px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition: 0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-light);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.logo-accent {
    color: var(--accent);
}

.nav-links {
    list-style: none;
    padding: 12px 10px;
    flex: 1;
}

.nav-links li {
    margin-bottom: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    transition: all var(--transition);
    font-weight: 500;
    font-size: 13.5px;
    position: relative;
}

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

.nav-link.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.badge {
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    margin-left: auto;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-light);
}

.version {
    color: var(--text-muted);
    font-size: 11px;
}

/* ── Main Content ── */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px 40px;
    min-height: 100vh;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Page Header ── */
.page-header {
    margin-bottom: 28px;
}

.page-title {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}

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

/* ── Stats Grid ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    transition: all var(--transition);
}

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

.stat-value {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 12.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card.accent .stat-value { color: var(--accent); }
.stat-card.green .stat-value { color: var(--green); }
.stat-card.yellow .stat-value { color: var(--yellow); }
.stat-card.gold .stat-value { color: var(--gold); }

/* ── Job Cards ── */
.jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
}

.job-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all var(--transition);
    cursor: pointer;
}

.job-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.job-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.job-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

.job-company {
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    margin-top: 3px;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 500;
}

.tag-location {
    background: var(--bg-input);
    color: var(--text-secondary);
}

.tag-remote {
    background: var(--green-bg);
    color: var(--green);
}

.tag-ats {
    background: var(--accent-glow);
    color: var(--accent);
}

.tag-ats.safe {
    background: var(--green-bg);
    color: var(--green);
}

.tag-source {
    background: var(--purple-bg);
    color: var(--purple);
}

.score-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.score-high {
    background: var(--green-bg);
    color: var(--green);
    border: 2px solid var(--green);
}

.score-mid {
    background: var(--yellow-bg);
    color: var(--yellow);
    border: 2px solid var(--yellow);
}

.score-low {
    background: var(--red-bg);
    color: var(--red);
    border: 2px solid var(--red);
}

/* ── Filters Bar ── */
.filters-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    align-items: center;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    transition: all var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

select.filter-select {
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    cursor: pointer;
    -webkit-appearance: none;
}

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

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}
.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-success {
    background: var(--green);
    color: white;
}
.btn-success:hover { filter: brightness(1.1); }

.btn-danger {
    background: var(--red);
    color: white;
}
.btn-danger:hover { filter: brightness(1.1); }

.btn-warning {
    background: var(--yellow);
    color: var(--bg-primary);
}
.btn-warning:hover { filter: brightness(1.1); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* ── Kanban Board ── */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    min-height: 60vh;
}

.kanban-column {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 16px;
    min-height: 400px;
}

.kanban-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-weight: 600;
    font-size: 13px;
}

.kanban-header.queued { background: var(--yellow-bg); color: var(--yellow); }
.kanban-header.applied { background: var(--blue-bg); color: var(--blue); }
.kanban-header.interview { background: var(--green-bg); color: var(--green); }
.kanban-header.offer { background: var(--gold-bg); color: var(--gold); }

.kanban-count {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
}

.kanban-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all var(--transition);
}

.kanban-card:hover {
    border-color: var(--border);
    transform: translateY(-1px);
}

.kanban-card-title {
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 4px;
}

.kanban-card-company {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 8px;
}

.kanban-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
}

/* ── Settings Form ── */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

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

.form-label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    transition: all var(--transition);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.settings-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

/* ── Empty State ── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-desc {
    color: var(--text-muted);
    font-size: 13px;
    max-width: 360px;
    margin-bottom: 24px;
}

/* ── Toast Notifications ── */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 20px;
    color: var(--text-primary);
    font-size: 13px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 280px;
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ── Loading ── */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    flex-direction: column;
    gap: 16px;
    color: var(--text-muted);
}

/* ── Description Preview ── */
.description-preview {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
    margin-top: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Job Detail Modal ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 24px;
    padding: 4px;
}
.modal-close:hover { color: var(--text-primary); }

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .kanban-board {
        grid-template-columns: repeat(2, 1fr);
    }
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 64px;
    }
    .sidebar .logo-text,
    .sidebar .nav-link span:not(.badge),
    .sidebar .version {
        display: none;
    }
    .main-content {
        margin-left: 64px;
        padding: 20px;
    }
    .jobs-grid {
        grid-template-columns: 1fr;
    }
    .kanban-board {
        grid-template-columns: 1fr;
    }
}