/* ==========================================================================
   BASE — Reset, Variabel, Dark Theme, Common Components
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

:root {
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Layout */
    --header-height: 70px;
    --sidebar-width: 260px;

    /* Warna Utama */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --primary-soft: #dbeafe;

    /* Netral */
    --bg: #f1f5f9;
    --card: #ffffff;
    --text: #0f172a;
    --text-light: #475569;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-hover: #94a3b8;

    /* Status */
    --success: #10b981;
    --success-soft: #d1fae5;
    --danger: #dc2626;
    --danger-soft: #fee2e2;
    --warning: #f59e0b;
    --warning-soft: #fef3c7;
    --info: #3b82f6;
    --info-soft: #dbeafe;

    /* Sidebar */
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --sidebar-active: #2563eb;
    --sidebar-text: #f1f5f9;
    --sidebar-text-muted: #94a3b8;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* ===== DARK MODE ===== */
.dark-theme {
    --bg: #0b0f19;
    --card: #111827;
    --text: #f8fafc;
    --text-light: #cbd5e1;
    --text-muted: #94a3b8;
    --border: #1f2937;
    --border-hover: #4b5563;
    --primary-soft: rgba(37, 99, 235, 0.15);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.3);
}

html, body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Main content — otomatis bergeser saat sidebar toggle */
.main-content {
    margin-left: var(--sidebar-width);
    padding: calc(var(--header-height) + 24px) 24px 24px 24px;
    min-height: 100vh;
    transition: margin-left var(--transition-base);
}
.main-content.full-width { margin-left: 0; }

/* ===== COMMON: Card ===== */
.card {
    background: var(--card);
    border-radius: var(--radius-xl);
    padding: 28px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    margin-bottom: 24px;
}
.card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-soft);
}
.card-header h2 {
    font-size: 1.2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}
.card-header h2 i {
    color: var(--primary);
    background: var(--primary-soft);
    padding: 8px;
    border-radius: var(--radius-lg);
}

/* ===== COMMON: Button ===== */
.btn {
    padding: 12px 24px;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-success { background: var(--success); color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
    box-shadow: none;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.btn-soft { background: var(--primary-soft); color: var(--primary); box-shadow: none; }
.btn-soft:hover { background: #c7d9fe; color: var(--primary-dark); }

.btn-group { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.btn-group .btn { flex: 1; }

/* ===== COMMON: Form ===== */
.input-group { margin-bottom: 20px; }
.input-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 6px;
}
.input-field, .select-field, .textarea-field {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--card);
    color: var(--text);
    font-family: var(--font-sans);
}
.textarea-field { min-height: 150px; resize: vertical; line-height: 1.6; }
.input-field:hover, .select-field:hover, .textarea-field:hover { border-color: var(--primary-light); }
.input-field:focus, .select-field:focus, .textarea-field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

/* ===== COMMON: Grid ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ===== COMMON: Notification ===== */
.notification {
    position: fixed;
    top: 24px;
    right: 24px;
    background: var(--card);
    color: var(--text);
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    z-index: 9999;
    border: 1px solid var(--border);
    border-left: 4px solid var(--success);
    transform: translateX(400px);
    transition: transform var(--transition-base);
    max-width: 350px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-xl);
}
.notification.show { transform: translateX(0); }
.notification.success { border-left-color: var(--success); }
.notification.error { border-left-color: var(--danger); }
.notification.warning { border-left-color: var(--warning); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .main-content { padding: 20px; }
}
@media (max-width: 768px) {
    .main-content { margin-left: 0 !important; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .card { padding: 20px; }
}
@media (max-width: 480px) {
    .main-content { padding: 16px; }
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; }
}