:root {
    /* Color Palette */
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --accent-red: #ff4d4f;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    
    /* Backgrounds */
    --bg-body: #f5f7fa;
    --bg-card: #ffffff;
    --bg-header: #ffffff;
    
    /* Borders */
    --border-color: #dee2e6;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

body {
    background-color: var(--bg-body);
    font-family: var(--font-family-base);
}

h1, h2, h3, h4, h5, h6,
.card-title, .modal-title {
    font-family: var(--font-family-heading);
}

/* Glass page layout (login, register) */
.page-glass-wrap {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.page-glass-bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.page-glass-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1;
}

.page-glass-content {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

body.page-glass-header header {
    background: transparent;
    border-bottom: none;
    box-shadow: none;
}

body.page-glass-header header .navbar {
    background: rgba(255, 255, 255, 0.14) !important;
    border: 1px solid rgba(255, 255, 255, 0.26);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

body.page-glass-header header .navbar .nav-link,
body.page-glass-header header .navbar .navbar-brand,
body.page-glass-header header .navbar .fw-medium {
    color: #ffffff !important;
}

body.page-glass-header header .navbar .btn-outline-primary {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.55);
}

body.page-glass-header header .navbar .btn-outline-primary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.page-glass-content .card-header {
    background: rgba(25, 118, 210, 0.45) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.page-glass-content .card {
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}

.page-glass-content .card-body,
.page-glass-content .form-label,
.page-glass-content .card-title,
.page-glass-content h2,
.page-glass-content p,
.page-glass-content .form-text {
    color: #ffffff;
}

.page-glass-content .form-control {
    background: rgba(255, 255, 255, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.32);
    color: #ffffff;
}

.page-glass-content .form-control::placeholder {
    color: rgba(255, 255, 255, 0.75);
}

.page-glass-content a {
    color: #e6f0ff;
}

.page-glass-content a.accent-link {
    color: var(--accent-red);
    font-weight: 700;
}

.password-toggle-group {
    position: relative;
}

.password-toggle-btn {
    position: absolute;
    top: 50%;
    right: 0.5rem;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--accent-red);
    padding: 0.25rem 0.35rem;
    line-height: 1;
}

/* Card Styles */
.card {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-header {
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md);
    border-top-left-radius: var(--radius-md) !important;
    border-top-right-radius: var(--radius-md) !important;
}

.card-title {
    font-weight: 600;
    color: var(--dark-color);
}

/* Resizable Layout */
.resizable-container {
    display: flex;
    height: calc(100vh - 100px); /* Adjusted for header */
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
    overflow: hidden;
}

.resizable-panel {
    display: flex;
    flex-direction: column;
    min-width: 300px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.panel-awbs {
    flex: 3;
}

.panel-dos {
    flex: 2;
}

/* Panel Content */
.resizable-panel .card {
    height: 100%;
    border-radius: 0;
    box-shadow: none;
}

.resizable-panel .card-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

/* AWB List Styles */
.awb-list .list-group-item {
    border-left: 4px solid transparent;
    border-right: none;
    border-top: none;
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md);
    transition: background-color 0.2s ease;
}

.awb-list .list-group-item:hover {
    background-color: var(--light-color);
}

/* AWB Status Colors */
.awb-item.scan-complete {
    background-color: #d1e7dd;
    border-left-color: var(--success-color);
}

.awb-item.scan-missing {
    background-color: #fff3cd;
    border-left-color: var(--warning-color);
}

.awb-item.scan-excess {
    background-color: #f8d7da;
    border-left-color: var(--danger-color);
}

/* Scan List inside AWB */
.scan-list {
    background-color: #f8f9fa;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.scan-item {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* DO List Styles */
.do-item {
    border-left: 4px solid transparent;
    padding: var(--spacing-md);
}

.do-item:hover {
    background-color: var(--light-color);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
    border-radius: var(--radius-sm);
}

/* Loading State */
.panel-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--secondary-color);
    padding: var(--spacing-lg);
}

.panel-loading .spinner-border {
    margin-bottom: var(--spacing-sm);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .resizable-container {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }

    .resizable-panel {
        height: 500px;
        margin-bottom: var(--spacing-md);
    }
}

/* Modal Enhancements - Professional Look */
.modal-content {
    border: none;
    border-radius: 0.75rem; /* Rounded corners */
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2); /* Deep shadow */
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(to bottom, #ffffff, #f8f9fa);
    border-bottom: 1px solid #e9ecef;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
}

.modal-title {
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.modal-body {
    padding: 1.5rem;
    background-color: #ffffff;
}

.modal-footer {
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Form Controls inside Modals */
.modal-body .form-label {
    font-weight: 500;
    color: #495057;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.modal-body .form-control,
.modal-body .form-select {
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
    border-radius: 0.375rem;
    border: 1px solid #ced4da;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.modal-body .form-control:focus,
.modal-body .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.modal-body .form-text {
    font-size: 0.8rem;
    color: #6c757d;
    margin-top: 0.25rem;
}

/* Form Controls */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border-color: var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Buttons - Consistent Styling */
.btn {
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.9rem !important;
    font-size: 1.05rem !important;
    font-weight: 500;
    transition: all 0.2s ease;
}

/* AWB Number Styling - Darker for better readability */
.text-awb {
    color: #066c85 !important; /* Darker teal/cyan for better contrast */
}
.bg-awb-subtle {
    background-color: rgba(13, 202, 240, 0.1) !important;
}
.border-awb {
    border-color: rgba(13, 202, 240, 0.3) !important;
}

.btn-sm, .btn-group-sm > .btn {
    padding: 0.3rem 0.6rem !important;
    font-size: 0.9rem !important;
}

.btn i {
    font-size: 1.05rem;
}

/* Ensure consistent spacing */
.btn + .btn {
    margin-left: 0.5rem;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

@media (max-width: 767.98px) {
    .btn {
        padding: 0.35rem 0.65rem !important;
        font-size: 0.9rem !important;
    }
    .btn-sm, .btn-group-sm > .btn {
        padding: 0.2rem 0.45rem !important;
        font-size: 0.8rem !important;
    }
    /* Override 992px block's fixed 500px panel height */
    .resizable-panel {
        height: 100%;
        margin-bottom: 0;
    }
}