/* ========================================
   DeluWork Obchod - Design System
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-card-hover: #22263a;
    --bg-sidebar: #141720;
    --bg-input: #1e2235;

    --text: #e4e6f0;
    --text-muted: #8b8fa3;
    --text-heading: #ffffff;

    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-soft: rgba(99, 102, 241, 0.15);

    --success: #22c55e;
    --success-soft: rgba(34, 197, 94, 0.15);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-soft: rgba(59, 130, 246, 0.15);

    --border: #2a2e3f;
    --border-light: #353a50;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;

    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);

    --sidebar-width: 240px;
    --topbar-height: 60px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

html {
    font-size: 15px;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* ---------- App Layout ---------- */
.app {
    display: flex;
    min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.brand-icon {
    font-size: 24px;
    color: var(--accent);
}

.brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: -0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

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

.nav-item.active {
    background: var(--accent-soft);
    color: var(--accent);
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    margin-bottom: 8px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.logout-link {
    font-size: 13px;
}

/* ---------- Main Content ---------- */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-heading);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
}

.content {
    flex: 1;
    padding: 28px 32px;
}

/* ---------- Cards ---------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all 0.2s;
}

.card:hover {
    border-color: var(--border-light);
}

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

.card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---------- Stat Cards ---------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: -1px;
}

.stat-icon {
    font-size: 20px;
    margin-bottom: 4px;
}

/* ---------- Score Badge ---------- */
.score-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.score-hot {
    background: var(--danger-soft);
    color: var(--danger);
}

.score-warm {
    background: var(--warning-soft);
    color: var(--warning);
}

.score-cold {
    background: var(--bg-card);
    color: var(--text-muted);
}

/* ---------- Phase Badge ---------- */
.phase-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.phase-schuzka {
    background: var(--info-soft);
    color: var(--info);
}

.phase-nabidka {
    background: var(--warning-soft);
    color: var(--warning);
}

.phase-vyjednavani {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

.phase-podepsano {
    background: var(--success-soft);
    color: var(--success);
}

.phase-ztraceno {
    background: var(--danger-soft);
    color: var(--danger);
}

/* ---------- Status Badge ---------- */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-new {
    background: var(--accent-soft);
    color: var(--accent);
}

.status-assigned {
    background: var(--success-soft);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-contacted {
    background: var(--warning-soft);
    color: var(--warning);
}

.status-in_crm {
    background: var(--success-soft);
    color: var(--success);
}

.status-qualified {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.status-ignored {
    background: var(--bg-card);
    color: var(--text-muted);
}

/* ---------- Desperate / Overdue Badge ---------- */
.badge-desperate {
    background: var(--danger-soft);
    color: var(--danger);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}

.badge-overdue {
    background: var(--warning-soft);
    color: var(--warning);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* ---------- Lead Card ---------- */
.lead-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lead-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 20px;
    transition: all 0.2s;
    cursor: pointer;
}

.lead-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}

.lead-company {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
}

.lead-meta {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.lead-meta span {
    margin-right: 16px;
}

/* ---------- CRM Pipeline ---------- */
.pipeline-stepper {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 20px 0;
}

.pipeline-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}

.pipeline-step.active {
    color: var(--accent);
    font-weight: 700;
}

.pipeline-step.done {
    color: var(--success);
}

.pipeline-step::after {
    content: '→';
    margin-left: 8px;
    color: var(--border);
}

.pipeline-step:last-child::after {
    content: '';
}

/* ---------- Timeline ---------- */
.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding: 12px 0 12px 16px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -21px;
    top: 18px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-card);
}

.timeline-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.timeline-content {
    font-size: 14px;
    color: var(--text);
}

.timeline-user {
    font-size: 12px;
    color: var(--accent);
    font-weight: 500;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

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

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

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background: var(--danger-soft);
}

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

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

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text);
    font-size: 14px;
    font-family: var(--font);
    transition: border-color 0.2s;
}

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

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

.form-inline {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.form-inline .form-group {
    margin-bottom: 0;
    flex: 1;
}

/* ---------- Alerts ---------- */
.alert {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 500;
}

.alert-error {
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-success {
    background: var(--success-soft);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.alert-warning {
    background: var(--warning-soft);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ---------- Tables ---------- */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    text-align: left;
    padding: 12px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

tr:hover td {
    background: var(--bg-card-hover);
}

/* ---------- Detail Grid ---------- */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.detail-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.detail-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px solid rgba(42, 46, 63, 0.5);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-muted);
    font-weight: 500;
}

.detail-value {
    color: var(--text);
    font-weight: 500;
    text-align: right;
}

/* ---------- Login Page ---------- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow);
}

.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-brand .brand-icon.large {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
    color: var(--accent);
}

.login-brand h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: -1px;
}

.login-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.login-hint {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
}

.login-form .btn {
    margin-top: 8px;
}

/* ---------- Filters Bar ---------- */
.filters-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.filters-bar select,
.filters-bar input {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text);
    font-size: 13px;
    font-family: var(--font);
}

.filters-bar select:focus,
.filters-bar input:focus {
    outline: none;
    border-color: var(--accent);
}

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

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

.empty-state h3 {
    font-size: 18px;
    color: var(--text-heading);
    margin-bottom: 8px;
}

/* ---------- Section Header ---------- */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
}

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ---------- Back Link ---------- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.back-link:hover {
    color: var(--accent);
}

/* ---------- Match Confidence ---------- */
.match-bar {
    width: 60px;
    height: 6px;
    background: var(--bg);
    border-radius: 3px;
    overflow: hidden;
    display: inline-block;
    vertical-align: middle;
    margin-left: 6px;
}

.match-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

.match-high .match-fill {
    background: var(--success);
}

.match-medium .match-fill {
    background: var(--warning);
}

.match-low .match-fill {
    background: var(--danger);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .content {
        padding: 20px 16px;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .stat-grid {
        grid-template-columns: 1fr 1fr;
    }

    .lead-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .stat-grid {
        grid-template-columns: 1fr;
    }
}