/* Premium Light Theme Styling System (Sipral Red Design) */

:root {
    --bg-main: #f2f2f2;
    --bg-card: #ffffff;
    --bg-card-hover: #fcfcfc;
    --border-color: rgba(226, 51, 41, 0.2);
    --border-color-hover: rgba(226, 51, 41, 0.5);
    --color-accent: #e23329; /* Sipral Red */
    --color-accent-hover: #c12b23;
    --color-accent-glow: rgba(226, 51, 41, 0.15);
    --color-success: #28a745;
    --color-danger: #dc3545;
    --text-primary: #1a1a1a;
    --text-secondary: #5f6368;
    --font-stack: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-stack);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Premium Card Style */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: 0 6px 18px rgba(226, 51, 41, 0.08);
}

/* App Container Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header Styling */
.app-header {
    background: var(--bg-card);
    border-bottom: 2px solid var(--color-accent);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    height: 32px;
    width: auto;
    border-radius: 4px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.accent-text {
    color: var(--color-accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-badge {
    background: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(40, 167, 69, 0.3);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Main Layout Grid */
.app-content {
    display: grid;
    grid-template-columns: 500px 1fr;
    flex: 1;
    overflow: hidden;
}

@media (max-width: 992px) {
    .app-content {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
}

/* Left Panel - Control Center */
.control-panel {
    border-right: 1px solid rgba(0,0,0,0.1);
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: #fcfcfc;
}

/* Right Panel - Photo/Gallery Area */
.display-panel {
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Custom Input Styling */
.form-control, .form-select {
    background-color: #ffffff;
    border: 1px solid #ced4da;
    color: var(--text-primary);
    border-radius: 8px;
    padding: 10px 14px;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    background-color: #ffffff;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
    color: var(--text-primary);
}

.input-group-text {
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    color: var(--text-secondary);
}

/* Custom Button Styling */
.btn-accent {
    background: var(--color-accent);
    color: #ffffff;
    font-weight: 600;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-accent:hover, .btn-accent:focus {
    background: var(--color-accent-hover);
    color: #ffffff;
    box-shadow: 0 4px 10px var(--color-accent-glow);
}

.btn-outline-accent {
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
    border-radius: 8px;
    padding: 10px 20px;
    transition: all 0.2s ease;
}

.btn-outline-accent:hover {
    background: var(--color-accent);
    color: #ffffff;
}

.btn-link-logout {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    cursor: pointer;
}

.btn-link-logout:hover {
    color: var(--color-accent);
}

/* Tab Navigation Styling */
.custom-tabs {
    display: flex;
    border-bottom: 2px solid #dee2e6;
    gap: 24px;
    margin-bottom: 12px;
}

.tab-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 12px 4px;
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
    cursor: pointer;
    transition: color 0.2s ease;
}

.tab-link:hover {
    color: var(--text-primary);
}

.tab-link.active {
    color: var(--color-accent);
    font-weight: 600;
}

.tab-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--color-accent);
}

.tab-content {
    display: none;
    flex: 1;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Trace Detail Box */
.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
}

.detail-label {
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 500;
}

/* Drag & Drop Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    background: rgba(226, 51, 41, 0.02);
    transition: all 0.3s ease;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--color-accent);
    background: rgba(226, 51, 41, 0.06);
}

.upload-zone i {
    font-size: 2.2rem;
    color: var(--color-accent);
    margin-bottom: 12px;
}

/* Photo Gallery Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 10px;
}

.photo-card {
    background: var(--bg-card);
    border: 1px solid #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.photo-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}

.photo-img-wrapper {
    position: relative;
    padding-top: 67%; /* 3:2 Aspect Ratio */
    background: #eaeaea;
    cursor: pointer;
    overflow: hidden;
}

.photo-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.photo-card:hover .photo-img {
    transform: scale(1.03);
}

.photo-info {
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 8px;
}

.photo-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.photo-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.photo-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* Fullscreen Lightbox Modal (Keep Dark for optimal viewing) */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.97);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 80%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
    transition: transform 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 2.2rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

.lightbox-close:hover {
    color: var(--color-accent);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lightbox-nav:hover {
    background: var(--color-accent);
    color: #ffffff;
}

.lightbox-prev {
    left: 24px;
}

.lightbox-next {
    right: 24px;
}

.lightbox-caption {
    margin-top: 16px;
    font-size: 1.1rem;
    color: #ffffff;
    text-align: center;
}

/* Authentication & Modals Overlay Styles */
.overlayFinal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    backdrop-filter: blur(4px);
}

.overlayFinal .popup {
    background: #ffffff;
    width: 100%;
    max-width: 480px;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0,0,0,0.1);
    position: relative;
}

.login-header {
    margin-bottom: 24px;
    text-align: center;
}

.login-logo-text {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* Form Helper */
.form-group {
    margin-bottom: 16px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Modal specific modifications */
.modal-lg-custom {
    max-width: 800px !important;
}

.modal-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-close-btn:hover {
    color: var(--color-danger);
}

.project-checkbox-list {
    max-height: 180px;
    overflow-y: auto;
    border: 1px solid #ced4da;
    border-radius: 6px;
    padding: 10px;
    background: #f8f9fa;
}

.project-checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.project-checkbox-item label {
    margin-bottom: 0;
    font-size: 0.9rem;
    cursor: pointer;
}

/* Tables in modal */
.table-custom {
    width: 100%;
    margin-top: 12px;
    border-collapse: collapse;
}

.table-custom th, .table-custom td {
    padding: 10px;
    border-bottom: 1px solid #dee2e6;
    text-align: left;
    font-size: 0.9rem;
}

.table-custom th {
    background-color: #f8f9fa;
    font-weight: 600;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Empty State Styling */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3.5rem;
    color: #ced4da;
    margin-bottom: 16px;
}