/**
 * Global Modal Styles
 * ONE modal pattern for entire app: .modal-overlay with .active class toggle
 * NO inline style.display manipulation - EVER
 */

/* Modal Overlay */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem;
    overflow-y: auto;
}

.modal-overlay.active {
    display: flex;
}

/* Body lock when modal open */
body.modal-open {
    overflow: hidden;
}

/* Modal Content */
.modal-content {
    background: var(--color-surface);
    color: var(--color-text);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    margin-top: 2rem;
    border: 1px solid var(--color-border);
    animation: modalFadeIn 0.3s ease;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-content.modal-lg {
    max-width: 800px;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: scale(0.95) translateY(-10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Modal Header */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background-color: var(--color-link);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    flex-shrink: 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-on-brand);
}

/* Modal Close Button */
.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.8);
    padding: 0.25rem;
    line-height: 1;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    color: var(--color-on-brand);
    background: rgba(255, 255, 255, 0.15);
}

.modal-close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

/* Modal Body */
.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    background: var(--color-surface);
    color: var(--color-text);
}

/* Modal Footer */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    flex-shrink: 0;
}

/* Form Sections inside Modals */
.form-section {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-link);
}

.form-section:last-child {
    margin-bottom: 0;
}

.form-section-title {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    padding-bottom: 0.625rem;
    border-bottom: 2px solid var(--color-link);
}

[data-theme="dark"] .modal-header {
    background-color: var(--color-surface-muted);
    border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .modal-header h2 {
    color: var(--color-text);
}

[data-theme="dark"] .modal-close {
    color: var(--color-text-muted);
}

[data-theme="dark"] .modal-close:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .form-section {
    border-left-color: var(--color-border);
}

[data-theme="dark"] .form-section-title {
    border-bottom-color: var(--color-border);
}

[data-theme="dark"] .modal-selected-info {
    border-left-color: var(--color-border);
}

[data-theme="dark"] .exam-progress-badge,
[data-theme="dark"] .exam-section-label {
    color: var(--color-text-muted);
}

/* Modal Message */
.modal-message {
    margin-top: 1rem;
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    line-height: 1.5;
    border-left: 4px solid;
    text-align: center;
}

.modal-message.success { background: var(--color-success-bg); border-left-color: var(--green); color: var(--color-success-text); }
.modal-message.error { background: var(--color-danger-bg); border-left-color: var(--red); color: var(--color-danger-text); }
.modal-message.warning { background: var(--color-warning-bg); border-left-color: var(--yellow); color: var(--color-warning-text); }
.modal-message.info { background: var(--color-info-bg); border-left-color: var(--blue); color: var(--color-info-text); }

/* Table inside modal body — allow horizontal scroll on narrow viewports */
.modal-body .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Mobile */
@media (max-width: 768px) {
    .modal-overlay {
        padding: 0.75rem;
        align-items: flex-start;
    }
    .modal-content {
        margin-top: 0.5rem;
        max-height: 97vh;
    }
    .modal-header {
        padding: 0.875rem 1rem;
    }
    .modal-header h2 {
        font-size: 1rem;
    }
    .modal-body {
        padding: 1rem;
    }
    .modal-footer {
        padding: 0.875rem 1rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    /* Footer button containers (e.g. exam modal step divs) */
    .modal-footer > div {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        width: 100%;
        justify-content: flex-end;
    }
    /* All footer buttons: compact size, grow to share space equally */
    .modal-footer .btn {
        flex: 1;
        min-width: 80px;
        padding: 0.375rem 0.625rem;
        font-size: 0.8125rem;
    }
    .form-section {
        padding: 0.875rem;
    }
}

/* ─── Invoice progress dialog ──────────────────────────────────────────── */

.inv-progress-bar-track {
    width: 100%;
    height: 6px;
    background-color: var(--color-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.inv-progress-bar-fill {
    width: 100%;
    height: 100%;
    appearance: none;
    border: 0;
    background: transparent;
}

.inv-progress-bar-fill::-webkit-progress-bar {
    background: transparent;
}

.inv-progress-bar-fill::-webkit-progress-value {
    background-color: var(--color-link);
    border-radius: 3px;
}

.inv-progress-bar-fill::-moz-progress-bar {
    background-color: var(--color-link);
    border-radius: 3px;
}

.inv-progress-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.inv-progress-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    opacity: 0.4;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.inv-progress-step.active {
    opacity: 1;
    color: var(--color-text);
    font-weight: 600;
}

.inv-progress-step.done {
    opacity: 1;
    color: var(--color-success-text);
}

.inv-progress-step.error {
    opacity: 1;
    color: var(--color-danger-text);
}

.inv-step-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

/* Spinning dots for active step */
.inv-step-icon.spinning::after {
    content: '';
    display: block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--color-link);
    border-top-color: transparent;
    border-radius: 50%;
    animation: inv-spin 0.7s linear infinite;
}

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

.inv-progress-result {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    display: none;
}

.inv-progress-result.success {
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: var(--color-success-text);
    display: block;
}

.inv-progress-result.error {
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger-text);
    display: block;
}

@media (min-width: 768px) {
    .inv-progress-steps {
        gap: 0.75rem;
    }
    .inv-progress-step {
        font-size: 0.9375rem;
    }
}

/* ── Email modal ───────────────────────────────────────────────────────────── */
.modal-email {
    max-width: 680px;
    width: 95%;
}

.email-addr-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.email-body-field {
    font-family: inherit;
    resize: vertical;
    min-height: 200px;
}

.email-attachments {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    background: var(--color-surface-muted);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
}

.email-attachment-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    padding: 0.2rem 0;
    font-size: 0.9rem;
}

.email-attachment-item input[type="checkbox"] {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.email-attach-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-attach-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.email-no-docs {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: 0;
}

.email-error {
    margin-top: 0.5rem;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger-text);
}

.email-success {
    margin-top: 0.5rem;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: var(--color-success-text);
    font-weight: 500;
}

/* Send button — success state (class-toggled, no inline style) */
.email-send-btn-success {
    background-color: var(--btn-primary-start);
    border-color: var(--btn-primary-start);
    opacity: 0.85;
    pointer-events: none;
    cursor: default;
}

@media (max-width: 540px) {
    .email-addr-row {
        grid-template-columns: 1fr;
    }
}

/* ── Participant search results (modal) ─────────────────────────────────── */
.modal-search-results {
    margin-top: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.search-result-item {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background 0.15s ease;
}

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

.search-result-item:hover {
    background: var(--color-info-bg);
}

.search-result-item:focus-visible {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--color-focus-ring);
    background: var(--color-surface-muted);
}

.search-result-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Selected participant display */
.modal-selected-info {
    font-weight: 600;
    margin-bottom: 1rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-surface-muted);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-link);
}

/* Evening-days checkbox row */
.modal-checkbox-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.4rem;
}

.modal-checkbox-label {
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
}

/* ── Exam modal ─────────────────────────────────────────────────────────── */
.exam-participant-row {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.exam-participant-select-wrap {
    flex: 1;
}

.exam-progress-badge {
    white-space: nowrap;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-link);
    padding-bottom: 0.5rem;
}

.exam-section-label {
    font-weight: 600;
    color: var(--color-link);
    margin: 1.25rem 0 0.5rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--color-border);
}

.exam-max-label {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.exam-totals-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-surface-muted);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.exam-totals-row strong {
    color: var(--color-text);
}

.exam-saved-message {
    padding: 0.6rem 0.75rem;
    background: var(--color-success-bg);
    border-left: 3px solid var(--color-success-text);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--color-success-text);
    margin-bottom: 0.5rem;
}

.exam-wp-error {
    padding: 0.6rem 0.75rem;
    background: var(--color-danger-bg);
    border-left: 3px solid var(--color-danger-text);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-danger-text);
    margin-bottom: 0.5rem;
}

.exam-score-input.exam-input-error {
    border-color: var(--color-danger-text);
    background: var(--color-danger-bg);
    outline: none;
    box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.2);
}