/* ==============================================================================
   LembarKerja Personal Assistant - Modern Admin UI System (Hallmark Refined)
   ============================================================================== */

:root {
    --bg-app: #090d16;
    --bg-surface: #0f172a;
    --bg-card: #141e33;
    --bg-card-hover: #192640;
    --bg-input: #0b1120;
    
    --border-subtle: #1e293b;
    --border-medium: #334155;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --accent-primary: #0d9488;
    --accent-primary-hover: #0f766e;
    --accent-light: #2dd4bf;
    
    --status-success: #10b981;
    --status-warning: #f59e0b;
    --status-danger: #ef4444;
    --status-info: #0284c7;
    --status-purple: #8b5cf6;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);

    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-app);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    text-decoration: underline;
}

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

.app-sidebar {
    width: 260px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 40;
}

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

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent-primary), #059669);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.brand-info h2 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

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

.sidebar-nav {
    flex: 1;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    text-decoration: none;
}

.nav-item.active {
    background-color: rgba(13, 148, 136, 0.15);
    color: var(--accent-light);
    font-weight: 600;
}

.nav-icon {
    font-size: 18px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--border-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.user-meta .name {
    font-size: 13px;
    font-weight: 600;
}

.user-meta .role {
    font-size: 11px;
    color: var(--text-dim);
}

/* Main Area */
.app-main {
    flex: 1;
    margin-left: 260px;
    padding: 32px 40px;
    min-width: 0;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
}

.page-title h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-title p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

.owner-chip {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.owner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--status-success);
    display: inline-block;
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Grid System */
.grid {
    display: grid;
    gap: 20px;
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.2px;
}

/* KPI Cards */
.kpi-card {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

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

.kpi-value {
    font-size: 24px;
    font-weight: 700;
    margin: 4px 0 2px;
    letter-spacing: -0.5px;
}

.kpi-subtext {
    font-size: 11px;
    color: var(--text-dim);
}

.kpi-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.kpi-icon.teal { background-color: rgba(13, 148, 136, 0.15); color: #2dd4bf; }
.kpi-icon.orange { background-color: rgba(249, 115, 22, 0.15); color: #fb923c; }
.kpi-icon.blue { background-color: rgba(2, 132, 199, 0.15); color: #38bdf8; }
.kpi-icon.purple { background-color: rgba(139, 92, 246, 0.15); color: #a78bfa; }

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.data-table th {
    padding: 10px 14px;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    vertical-align: middle;
}

.data-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.015);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-success { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.badge-info { background: rgba(2, 132, 199, 0.15); color: #38bdf8; }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: #c084fc; }

/* Forms & Buttons */
.form-group {
    margin-bottom: 14px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease;
}

.form-control:focus {
    border-color: var(--accent-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.15s ease;
}

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

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

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

.btn-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.25);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 11px;
}

/* Progress Bar */
.progress-bar-bg {
    width: 100%;
    height: 6px;
    background-color: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 3px;
}

/* Tabs */
.tabs-nav {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 12px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.tab-btn.active {
    background-color: rgba(13, 148, 136, 0.15);
    color: var(--accent-light);
}

/* Kanban */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.kanban-col {
    background-color: var(--bg-input);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 280px;
}

.kanban-col-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.kanban-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* Chat Bubble in Simulator */
.chat-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 13px;
}

.chat-bubble.bot {
    align-self: flex-start;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
}

.chat-bubble.user {
    align-self: flex-end;
    background-color: var(--accent-primary);
    color: #ffffff;
}

/* Mobile Bottom Nav - Hidden on Desktop */
.mobile-bottom-nav {
    display: none;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-3 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .app-sidebar { display: none; }
    .app-main { margin-left: 0; padding: 20px 16px 80px 16px; }
    .grid-cols-2 { grid-template-columns: 1fr; }
    .kanban-board { grid-template-columns: 1fr; }
    
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        background-color: var(--bg-surface);
        border-top: 1px solid var(--border-subtle);
        justify-content: space-around;
        align-items: center;
        z-index: 50;
    }
    
    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        font-size: 10px;
        color: var(--text-muted);
    }
    
    .mobile-nav-item.active {
        color: var(--accent-light);
        font-weight: 600;
    }
    
    .mobile-nav-icon {
        font-size: 18px;
    }
}