/* Root Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --light-bg: #f8fafc;
    --border-color: #e2e8f0;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-dark);
}

body {
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Cards */
.card {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

/* Forms */
.form-control, .form-select, textarea {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.625rem 0.875rem;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

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

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-size: 0.9375rem;
}

/* Buttons */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    padding: 0.625rem 1rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    background-color: #1e3a8a;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background-color: #d97706;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Badges */
.badge {
    padding: 0.375rem 0.625rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 0.25rem;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-secondary {
    background-color: var(--secondary-color) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
    color: white;
}

/* Accordion */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-item {
    border: none;
    border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    margin: 0;
}

.accordion-button {
    background-color: #ffffff;
    color: var(--text-dark);
    font-weight: 500;
    padding: 1rem 1.25rem;
    border: none;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.accordion-button:hover {
    background-color: var(--light-bg);
}

.accordion-button:not(.collapsed) {
    background-color: #f1f5f9;
    box-shadow: none;
    color: var(--primary-color);
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%232563eb' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-left: auto;
    transform: rotate(0deg);
    transition: transform 0.2s ease;
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
}

.group-title {
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--text-dark);
}

.accordion-body {
    background-color: #ffffff;
    padding: 0;
}

/* Tables */
.table {
    margin-bottom: 0;
    border-collapse: collapse;
}

.table thead {
    background-color: var(--light-bg);
    border-bottom: 2px solid var(--border-color);
}

.table thead th {
    font-weight: 600;
    color: var(--text-dark);
    padding: 1rem 1.25rem;
    text-align: left;
}

.table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

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

.table tbody td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
}

.task-row {
    transition: background-color 0.2s ease;
}

.task-row:hover {
    background-color: #f0f9ff;
}

.task-row.completed-task {
    opacity: 0.75;
    background-color: #f0fdf4;
}

.task-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.task-title {
    font-weight: 500;
    color: var(--text-dark);
}

.task-title.completed {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* Checkbox */
.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-check-input:hover {
    border-color: var(--primary-color);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='white' d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
}

/* Alerts */
.alert {
    border-radius: 0.5rem;
    border: 1px solid transparent;
    padding: 1rem 1.25rem;
}

.alert-info {
    background-color: #ecf0ff;
    color: #1e40af;
    border-color: #c7d2fe;
}

.alert-success {
    background-color: #f0fdf4;
    color: #065f46;
    border-color: #dcfce7;
}

.alert-warning {
    background-color: #fffbeb;
    color: #92400e;
    border-color: #fed7aa;
}

.alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}

/* Progress Bar */
.progress {
    height: 0.5rem;
    background-color: var(--border-color);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--success-color);
    transition: width 0.3s ease;
}

/* Modal */
.modal {
    z-index: 1050;
}

.modal.show {
    display: block;
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    background-color: white;
}

.modal-header {
    background-color: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

.modal-header .btn-close {
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.modal-header .btn-close:hover {
    opacity: 0.75;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Utilities */
.text-muted {
    color: var(--text-muted);
}

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

.small {
    font-size: 0.875rem;
}

.fst-italic {
    font-style: italic;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 1rem;
}

.d-block {
    display: block;
}

.d-flex {
    display: flex;
}

.flex-grow-1 {
    flex-grow: 1;
}

.ms-2 {
    margin-left: 0.5rem;
}

.ms-3 {
    margin-left: 1rem;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.p-4 {
    padding: 1.5rem;
}

.border-bottom {
    border-bottom: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem;
    }

    .container-fluid {
        padding: 1rem;
    }

    .row {
        margin: 0 -0.5rem;
    }

    .col-md-2, .col-md-3, .col-md-4 {
        flex: 0 0 100%;
    }

    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }

    .table tbody td {
        padding: 0.75rem 0.5rem;
    }

    .accordion-button {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
}

/* Validation states */
h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}