/* ==========================================
   FaturaBarkod Web — Design System
   Dark Theme, Glassmorphism, Modern UI
   ========================================== */

:root {
    /* Colors */
    --bg-primary: #0f1117;
    --bg-secondary: #161922;
    --bg-tertiary: #1c1f2e;
    --bg-card: rgba(28, 31, 46, 0.85);
    --bg-hover: rgba(99, 102, 241, 0.08);
    --border-color: rgba(99, 102, 241, 0.15);
    --border-active: rgba(99, 102, 241, 0.4);

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.25);

    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);

    /* Spacing */
    --sidebar-width: 240px;
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== Reset ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    overflow: hidden;
}

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

.sidebar-brand {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-light);
    border-bottom: 1px solid var(--border-color);
}
.sidebar-brand i { font-size: 1.4rem; }

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

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active {
    background: var(--accent-glow);
    color: var(--accent-light);
    border: 1px solid var(--border-active);
}
.nav-item i { font-size: 1.1rem; }

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.user-info i { font-size: 1.2rem; }

.btn-logout {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 1.1rem;
}
.btn-logout:hover { color: var(--danger); background: var(--danger-bg); }

/* ==================== Main Content ==================== */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    height: 100vh;
}
.main-content-full {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

/* ==================== Login ==================== */
.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.login-card h1 {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent-light), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.login-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 28px;
}

/* ==================== Forms ==================== */
.form-group { margin-bottom: 18px; }

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-control::placeholder { color: var(--text-muted); }

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #7c3aed);
    color: white;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--accent-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #16a34a);
    color: white;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.15);
}
.btn-success:hover { transform: translateY(-1px); }

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: white;
}
.btn-warning:hover { transform: translateY(-1px); }

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

.btn-capture {
    background: linear-gradient(135deg, #0ea5e9, #6366f1);
    color: white;
    padding: 6px 12px;
    font-size: 0.78rem;
    border-radius: 4px;
}
.btn-capture:hover { transform: translateY(-1px); }
.btn-capture.active {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    animation: pulse-glow 1.5s infinite;
}

.btn-block { width: 100%; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 12px 28px; font-size: 0.95rem; }

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 8px rgba(245, 158, 11, 0.3); }
    50% { box-shadow: 0 0 16px rgba(245, 158, 11, 0.6); }
}

/* ==================== Split Panel ==================== */
.split-panel {
    display: flex;
    height: calc(100vh - 48px);
    gap: 16px;
}

.panel-document {
    flex: 1;
    min-width: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.panel-form {
    width: 380px;
    min-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.panel-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
}
.panel-header h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.panel-body {
    flex: 1;
    overflow: auto;
    padding: 16px;
}

/* ==================== Document Viewer ==================== */
.doc-viewer {
    position: relative;
    flex: 1;
    overflow: hidden;
    background: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
}

.doc-viewer canvas {
    max-width: 100%;
    max-height: 100%;
    cursor: grab;
}
.doc-viewer canvas:active { cursor: grabbing; }
.doc-viewer canvas.capture-mode { cursor: crosshair !important; }

.doc-toolbar {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(22, 25, 34, 0.92);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    z-index: 10;
}
.doc-toolbar button {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 6px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}
.doc-toolbar button:hover { background: var(--bg-hover); color: var(--text-primary); }
.doc-toolbar .page-info { font-size: 0.78rem; color: var(--text-muted); min-width: 70px; text-align: center; }

/* ==================== Form Card ==================== */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.form-card .panel-body { padding: 16px; }

.field-row {
    margin-bottom: 14px;
}

.field-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.char-count {
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.capture-pref-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    user-select: none;
    cursor: pointer;
}

.capture-pref-toggle input {
    width: 14px;
    height: 14px;
    margin: 0;
    accent-color: var(--accent);
    cursor: pointer;
}

.capture-pref-toggle span {
    white-space: nowrap;
}

.field-input-group {
    display: flex;
    gap: 6px;
}
.field-input-group .form-control { flex: 1; }

.info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-size: 0.82rem;
}
.info-row i { color: var(--accent-light); font-size: 0.9rem; }
.info-row .label { color: var(--text-muted); }
.info-row .value { color: var(--text-primary); font-weight: 500; margin-left: auto; }

.action-buttons {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}
.action-buttons .btn { flex: 1; }

/* ==================== Status ==================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.status-badge.success { background: var(--success-bg); color: var(--success); }
.status-badge.warning { background: var(--warning-bg); color: var(--warning); }
.status-badge.danger { background: var(--danger-bg); color: var(--danger); }
.status-badge.info { background: var(--info-bg); color: var(--info); }

.counter-badge {
    background: var(--accent-glow);
    color: var(--accent-light);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
}

/* ==================== Empty State ==================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 40px;
}
.empty-state i {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 16px;
    opacity: 0.6;
}
.empty-state h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.empty-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 360px;
}

/* ==================== Validation ==================== */
.validation-message {
    color: var(--danger);
    font-size: 0.78rem;
    margin-top: 4px;
}

.text-danger { color: var(--danger); font-size: 0.82rem; }

/* ==================== OCR Overlay ==================== */
.ocr-selection-overlay {
    position: absolute;
    border: 2px dashed var(--accent-light);
    background: rgba(99, 102, 241, 0.08);
    pointer-events: none;
    z-index: 20;
}

/* ==================== OCR Status ==================== */
.ocr-status {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-active);
    border-radius: var(--radius);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-primary);
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slide-up 0.3s ease;
}
.ocr-status.hidden { display: none; }
.ocr-status .spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes slide-up { from { transform: translateY(20px); opacity: 0; } }

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-active); }

/* ==================== Responsive ==================== */
@media (max-width: 900px) {
    .split-panel {
        flex-direction: column;
    }
    .panel-form {
        width: 100%;
        min-width: auto;
    }
    .sidebar { width: 60px; min-width: 60px; }
    .sidebar-brand span,
    .sidebar-nav .nav-item span,
    .user-info span { display: none; }
    .sidebar-brand { justify-content: center; }
    .nav-item { justify-content: center; padding: 10px; }
    .search-grid { grid-template-columns: 1fr !important; }
}

/* ==================== Search Grid ==================== */
.search-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.search-field .form-label {
    margin-bottom: 4px;
}

.search-actions {
    display: flex;
    flex-direction: column;
}

/* ==================== Result Table ==================== */
.result-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.result-table thead {
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 1;
}

.result-table th {
    padding: 10px 14px;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.result-table td {
    padding: 10px 14px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.06);
    color: var(--text-secondary);
}

.result-table tbody tr {
    transition: var(--transition);
}

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

.barkod-tag {
    background: var(--accent-glow);
    color: var(--accent-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: monospace;
}

/* ==================== Alerts ==================== */
.alert-success {
    background: var(--success-bg);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--success);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-danger {
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==================== Daily Counter ==================== */
.daily-counter {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--success-bg);
    color: var(--success);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    border: 1px solid rgba(34, 197, 94, 0.15);
}

/* ==================== Page Containers ==================== */
.belge-kontrol-page,
.kullanici-page {
    height: calc(100vh - 48px);
    overflow-y: auto;
}

/* ==================== Modal ==================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 460px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
}

.modal-dialog.modal-xl-wide {
    max-width: min(1200px, 96vw);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}
.btn-modal-close:hover { color: var(--danger); background: var(--danger-bg); }

.modal-body {
    padding: 20px;
}

.dosya-preview-viewer {
    height: 72vh;
}

.dosya-kayitlari-page .result-table td {
    vertical-align: top;
}

.dosya-match-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 320px;
}

.dosya-match-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
}

.dosya-match-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.disabled-link {
    pointer-events: none;
    opacity: 0.45;
}

/* ==================== Radio Group ==================== */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.radio-option:hover {
    border-color: var(--border-active);
    background: var(--bg-hover);
}
.radio-option input[type="radio"] {
    width: auto;
    accent-color: var(--accent);
}
.radio-option input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent);
}
.radio-option span {
    display: flex;
    align-items: center;
    gap: 6px;
}
.radio-option input[type="radio"]:checked + span {
    color: var(--text-primary);
}