/* ===================================
   Generator Sertifikat - Premium Styles
   =================================== */

:root {
    /* Color Palette - Modern Dark Theme */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-glass: rgba(22, 33, 62, 0.8);

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
    --accent-glow: rgba(99, 102, 241, 0.4);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(99, 102, 241, 0.5);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Sizing */
    --sidebar-width: 260px;
    --border-radius: 12px;
    --border-radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    font-size: 14px;
    /* Smaller base font for compact UI */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
}

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

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

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    color: var(--text-primary);
    background: var(--accent-gradient);
    box-shadow: var(--shadow-glow);
}

.nav-icon {
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
}

.nav-text {
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* ===================================
   Main Content
   =================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    background: var(--bg-primary);
    min-height: 100vh;
    max-width: calc(100vw - var(--sidebar-width));
    overflow-x: auto;
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===================================
   Cards & Containers
   =================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-glow);
}

.stat-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-primary);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ===================================
   Form Elements
   =================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

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

.form-control::placeholder {
    color: var(--text-muted);
}

/* File Upload / Dropzone */
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--bg-secondary);
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.dropzone-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.dropzone-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.dropzone-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===================================
   Tables
   =================================== */
.table-container {
    overflow-x: auto;
    overflow-y: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    max-width: 100%;
}

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

th,
td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.badge-pending {
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-primary);
}

/* ===================================
   Table Styles
   =================================== */
table {
    width: 100%;
    border-collapse: collapse;
}

table thead th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

table tbody tr:hover {
    background: var(--bg-secondary);
}

table tbody tr.selected {
    background: rgba(99, 102, 241, 0.1);
}

/* ===================================
   Modal
   =================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px);
    transition: transform var(--transition-normal);
}

.modal-lg {
    max-width: 1000px;
}

.modal-xl {
    max-width: 1200px;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* ===================================
   Template Editor
   =================================== */
.editor-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.5rem;
    height: calc(100vh - 200px);
}

.editor-canvas-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
}

.editor-canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: repeating-conic-gradient(#1a1a2e 0% 25%, #0f0f23 0% 50%) 50% / 20px 20px;
}

.editor-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    overflow-y: auto;
}

/* Text Field Overlay */
.text-field {
    position: absolute;
    padding: 0.5rem;
    border: 2px dashed var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    cursor: move;
    user-select: none;
    border-radius: 4px;
    min-width: 100px;
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-weight: 500;
}

.text-field:hover {
    background: rgba(99, 102, 241, 0.2);
}

.text-field.selected {
    border-style: solid;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ===================================
   Checkbox Custom
   =================================== */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
    appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkbox-wrapper input[type="checkbox"]:checked {
    background: var(--accent-gradient);
    border-color: var(--accent-primary);
}

.checkbox-wrapper input[type="checkbox"]:checked::after {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

/* ===================================
   Toast Notifications
   =================================== */
.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===================================
   Loading States
   =================================== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-spinner {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===================================
   Floating Progress Bar
   =================================== */
.floating-progress {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.floating-progress-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    white-space: nowrap;
}

.floating-icon {
    font-size: 1.25rem;
}

.floating-bar-container {
    width: 120px;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.floating-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    transition: width 0.3s;
}

.floating-file {
    color: var(--text-secondary);
    font-size: 0.8rem;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.floating-time {
    color: var(--accent-primary);
    font-size: 0.8rem;
    font-weight: 500;
}

.floating-expand {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    transition: transform 0.2s;
}

.floating-expand:hover {
    transform: scale(1.2);
}

/* ===================================
   Empty State
   =================================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state-text {
    margin-bottom: 1.5rem;
}

/* ===================================
   Preview Area
   =================================== */
.preview-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.preview-image {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .editor-container {
        grid-template-columns: 1fr;
    }

    .editor-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 0.5rem;
    }

    .nav-text {
        display: none;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

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