/* Enterprise OCR System - Modern UI */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand svg {
    width: 32px;
    height: 32px;
    stroke: url(#gradient);
}

.navbar-menu {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    text-align: right;
}

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

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

/* Container */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

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

.card-header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.stat-card.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.stat-card.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.stat-card.danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.938rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.4);
    transform: translateY(-2px);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #0891b2 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(6, 182, 212, 0.3);
}

.btn-info:hover {
    box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

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

th {
    background: var(--bg-color);
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-primary {
    background: #dbeafe;
    color: #1e40af;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-color);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: #eff6ff;
}

.upload-area.drag-over {
    border-color: var(--primary-color);
    background: #eff6ff;
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    color: var(--text-secondary);
}

/* File List */
.file-list {
    margin-top: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--bg-color);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
}

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

.file-name {
    font-weight: 500;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 0.5rem;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
}

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

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid #10b981;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left: 4px solid #f59e0b;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-left: 4px solid #2563eb;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none !important; }
.flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background: white;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    width: 100%;
    max-width: 400px;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .table-container {
        font-size: 0.875rem;
    }
}