/* styles.css - Premium UI */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');

:root {
    --bg-dark: #f4f7f9;
    --bg-surface: rgba(255, 255, 255, 0.85);
    --bg-surface-hover: rgba(255, 255, 255, 1);
    --text-primary: #121212;
    --text-secondary: #555555;
    --primary-color: #0033a0;
    --primary-hover: #002277;
    --secondary-color: #00a4e4;
    --border-color: rgba(0, 0, 0, 0.1);
    --danger: #ff4757;
    --success: #2ed573;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, .btn {
    font-family: 'Outfit', sans-serif;
}

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

.sidebar {
    width: 260px;
    background-color: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.logo-container h1 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 16px;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.nav-item.active {
    background-color: rgba(0, 51, 160, 0.05);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px 48px;
    background-color: var(--bg-dark);
}

/* Views */
.view {
    display: none;
    animation: fadeIn 0.4s ease;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.view-header h2 {
    font-size: 1.5rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 51, 160, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--bg-surface-hover);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    padding: 6px;
    border-radius: 4px;
}

.btn-icon:hover {
    color: var(--danger);
    background-color: rgba(255, 71, 87, 0.1);
}

/* Tables */
.table-container {
    background-color: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    overflow: hidden;
}

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

th, td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody tr {
    transition: var(--transition);
}

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

td {
    font-size: 0.95rem;
}

.badge {
    background-color: rgba(251, 211, 65, 0.15);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background-color: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    width: 100%;
    max-width: 600px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(20px);
    transition: var(--transition);
}

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

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-weight: 500;
    font-size: 1.2rem;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Form */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

input, select {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

input:focus, select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 51, 160, 0.1);
}

input[readonly] {
    opacity: 0.6;
    cursor: not-allowed;
}

/* OCR Section */
.ocr-section {
    margin-bottom: 24px;
    grid-column: 1 / -1;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background-color: rgba(0, 0, 0, 0.1);
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(0, 51, 160, 0.05);
}

.upload-icon {
    color: var(--primary-color);
    margin-bottom: 12px;
    width: 32px;
    height: 32px;
}

.upload-area p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.ocr-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
    color: var(--primary-color);
    font-size: 0.9rem;
    background-color: rgba(0, 51, 160, 0.05);
    padding: 12px;
    border-radius: var(--border-radius);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 51, 160, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Login Screen Styles */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.login-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 12px;
    width: 100%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.login-logo-icon {
    width: 64px;
    height: 64px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.login-box h2 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.login-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.login-tip {
    margin-top: 20px;
    font-size: 0.8rem !important;
    opacity: 0.7;
}