/* ==========================================================================
   UNESCO REF Forms — Public Frontend Styles
   All rules scoped under .urf-form-wrap to prevent theme conflicts.
   ========================================================================== */

/* ── Layout & Wrapper ── */

.urf-form-wrap {
    max-width: 960px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    color: #1a1a2e;
}

.urf-form-wrap *,
.urf-form-wrap *::before,
.urf-form-wrap *::after {
    box-sizing: border-box;
}

.urf-form-title {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    font-weight: 700;
}

/* Theme: Light (default) */
.urf-theme-light {
    --urf-bg: #ffffff;
    --urf-text: #1a1a2e;
    --urf-border: #d1d5db;
    --urf-border-focus: #1a4b8c;
    --urf-accent: #1a4b8c;
    --urf-accent-hover: #143d72;
    --urf-error: #dc2626;
    --urf-success-bg: #ecfdf5;
    --urf-success-text: #065f46;
    --urf-muted: #6b7280;
    --urf-input-bg: #ffffff;
    --urf-card-bg: #f9fafb;
    --urf-card-selected-bg: #eff6ff;
    --urf-card-selected-border: #1a4b8c;
    --urf-info-bg: #eff6ff;
    --urf-info-border: #1a4b8c;
    --urf-warning-bg: #fffbeb;
    --urf-warning-border: #f59e0b;
    --urf-progress-track: #e5e7eb;
    --urf-progress-fill: #1a4b8c;
}

/* Theme: Dark */
.urf-theme-dark {
    --urf-bg: #1a1a2e;
    --urf-text: #e0e0e0;
    --urf-border: #2a2a4a;
    --urf-border-focus: #4a90d9;
    --urf-accent: #4a90d9;
    --urf-accent-hover: #3b7cc4;
    --urf-error: #f87171;
    --urf-success-bg: #064e3b;
    --urf-success-text: #a7f3d0;
    --urf-muted: #9ca3af;
    --urf-input-bg: #16213e;
    --urf-card-bg: #16213e;
    --urf-card-selected-bg: #1a3a5c;
    --urf-card-selected-border: #4a90d9;
    --urf-info-bg: #1a2a4a;
    --urf-info-border: #4a90d9;
    --urf-warning-bg: #422006;
    --urf-warning-border: #f59e0b;
    --urf-progress-track: #2a2a4a;
    --urf-progress-fill: #4a90d9;
    background-color: var(--urf-bg);
    color: var(--urf-text);
    padding: 1.5rem;
    border-radius: 8px;
}

/* Step panels */
.urf-form-wrap .urf-step-panel {
    display: none;
}

.urf-form-wrap .urf-step-panel--active {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 1.5rem;
}

/* Full-width elements within grid */
.urf-step-panel > .urf-step-heading,
.urf-step-panel > .urf-section-heading,
.urf-step-panel > .urf-section,
.urf-step-panel > .urf-programme-section,
.urf-step-panel > .urf-info-callout,
.urf-step-panel > .urf-warning-callout,
.urf-step-panel > .urf-display-field,
.urf-step-panel > .urf-summary-callout {
    grid-column: 1 / -1;
}

/* Textarea and file fields always span full width */
.urf-step-panel > .urf-field-wrap:has(textarea),
.urf-step-panel > .urf-field-wrap:has(.urf-radio-group),
.urf-step-panel > .urf-field-wrap:has(.urf-checkbox-group),
.urf-step-panel > .urf-field-wrap:has(.urf-display-field) {
    grid-column: 1 / -1;
}

/* Sections use their own internal grid */
.urf-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 1.5rem;
}

.urf-section > .urf-section-heading {
    grid-column: 1 / -1;
}

/* Textarea and file upload within sections span full width */
.urf-section > .urf-field-wrap:has(textarea),
.urf-section > .urf-field-wrap:has(.urf-dropzone),
.urf-section > .urf-help-text,
.urf-section > .urf-dropzone,
.urf-section > .urf-file-list,
.urf-section > p {
    grid-column: 1 / -1;
}

/* Programme sections use their own grid */
.urf-programme-section {
    display: none;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 1.5rem;
}

/* Programme sections are shown via JS with display:grid directly */

/* Full-width elements within programme sections */
.urf-programme-section > .urf-step-heading,
.urf-programme-section > .urf-field-wrap:has(.urf-compulsory-bundles),
.urf-programme-section > .urf-field-wrap:has(.urf-elective-bundles),
.urf-programme-section > .urf-field-wrap:has(textarea),
.urf-programme-section > .urf-field-wrap:has(.urf-radio-group),
.urf-programme-section > .urf-field-wrap:has(.urf-display-field),
.urf-programme-section > .urf-field-wrap:has(.urf-warning-callout),
.urf-programme-section > .urf-warning-callout,
.urf-programme-section > [data-effs-level] {
    grid-column: 1 / -1;
}

/* EFFS level sub-sections use grid too */
[data-effs-level] {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 1.5rem;
}

[data-effs-level] > .urf-field-wrap:has(.urf-compulsory-bundles),
[data-effs-level] > .urf-field-wrap:has(.urf-elective-bundles),
[data-effs-level] > .urf-field-wrap:has(textarea),
[data-effs-level] > .urf-field-wrap:has(.urf-radio-group) {
    grid-column: 1 / -1;
}

/* ── Progress Bar ── */

.urf-progress {
    width: 100%;
    margin-bottom: 2rem;
}

.urf-progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.urf-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
}

.urf-progress-step__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--urf-progress-track);
    color: var(--urf-muted);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: background 0.3s, color 0.3s;
}

.urf-progress-step__label {
    font-size: 0.875rem;
    color: var(--urf-muted);
    margin-top: 0.375rem;
    text-align: center;
    transition: color 0.3s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.urf-progress-step--active .urf-progress-step__number {
    background: var(--urf-accent);
    color: #fff;
}

.urf-progress-step--active .urf-progress-step__label {
    color: var(--urf-accent);
    font-weight: 600;
}

.urf-progress-step--complete .urf-progress-step__number {
    background: var(--urf-accent);
    color: #fff;
}

.urf-progress-step--complete .urf-progress-step__number::after {
    content: '\2713';
    font-size: 1rem;
}

.urf-progress-step--complete .urf-progress-step__number .urf-step-num {
    display: none;
}

.urf-progress-step--complete .urf-progress-step__label {
    color: var(--urf-text);
}

.urf-progress-bar {
    height: 4px;
    background: var(--urf-progress-track);
    border-radius: 2px;
    overflow: hidden;
}

.urf-progress-fill {
    height: 100%;
    background: var(--urf-progress-fill);
    border-radius: 2px;
    transition: width 0.4s ease;
}

/* ── Mobile step indicator ── */
.urf-mobile-step-label {
    display: none;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--urf-accent);
    margin-bottom: 0.5rem;
}

/* ── Fields ── */

.urf-step-heading {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.625rem;
    border-bottom: 2px solid var(--urf-border);
}

.urf-section-heading {
    font-size: 1.175rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.urf-field-wrap {
    margin-bottom: 1.25rem;
    position: relative;
}

.urf-field-wrap--hidden {
    display: none !important;
}

.urf-field-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    font-size: 1rem;
    color: var(--urf-text);
}

.urf-required {
    color: var(--urf-error);
    margin-left: 2px;
}

.urf-help-text {
    display: block;
    font-size: 0.875rem;
    color: var(--urf-muted);
    margin-top: 0.25rem;
}

.urf-field-error {
    display: block;
    font-size: 0.875rem;
    color: var(--urf-error);
    margin-top: 0.25rem;
    min-height: 1.2em;
}

/* Input base styles */
.urf-form-wrap .urf-input,
.urf-form-wrap input[type="text"],
.urf-form-wrap input[type="email"],
.urf-form-wrap input[type="tel"],
.urf-form-wrap input[type="date"],
.urf-form-wrap select,
.urf-form-wrap textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--urf-border);
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    line-height: 1.5;
    background: var(--urf-input-bg);
    color: var(--urf-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    min-height: 44px;
}

/* Select custom arrow */
.urf-form-wrap select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    padding-right: 2.25rem;
}

/* Date input consistent height */
.urf-form-wrap input[type="date"] {
    min-height: 44px;
}

/* Focus states — visible focus ring */
.urf-form-wrap .urf-input:focus,
.urf-form-wrap input:focus,
.urf-form-wrap select:focus,
.urf-form-wrap textarea:focus,
.urf-form-wrap button:focus,
.urf-form-wrap a:focus {
    outline: 2px solid var(--urf-accent);
    outline-offset: 2px;
    border-color: var(--urf-border-focus);
    box-shadow: none;
}

/* Remove focus ring for mouse users */
.urf-form-wrap :focus:not(:focus-visible) {
    outline: none;
}

/* Restore for keyboard */
.urf-form-wrap :focus-visible {
    outline: 2px solid var(--urf-accent);
    outline-offset: 2px;
}

.urf-field--error .urf-input,
.urf-field--error input,
.urf-field--error select,
.urf-field--error textarea {
    border-color: var(--urf-error);
}

.urf-field--error .urf-input:focus,
.urf-field--error input:focus,
.urf-field--error select:focus,
.urf-field--error textarea:focus {
    outline-color: var(--urf-error);
}

/* ── Radio & Checkbox Groups ── */

.urf-radio-group,
.urf-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.urf-radio-item,
.urf-checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--urf-text);
    min-height: 44px;
    padding: 0.25rem 0;
}

.urf-checkbox-single {
    margin-top: 0.25rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.urf-radio-item input[type="radio"],
.urf-checkbox-item input[type="checkbox"],
.urf-checkbox-single input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--urf-accent);
    cursor: pointer;
    flex-shrink: 0;
}

/* ── Display Fields (Info Cards) ── */

.urf-display-field {
    background: var(--urf-info-bg);
    border-left: 4px solid var(--urf-info-border);
    padding: 1rem 1.125rem;
    border-radius: 0 6px 6px 0;
    font-size: 1rem;
    color: var(--urf-text);
    line-height: 1.65;
}

.urf-info-callout {
    background: var(--urf-info-bg);
    border-left: 4px solid var(--urf-info-border);
    padding: 0.875rem 1.125rem;
    border-radius: 0 6px 6px 0;
    margin-top: 1rem;
    font-size: 0.9375rem;
    color: var(--urf-text);
}

.urf-warning-callout {
    background: var(--urf-warning-bg);
    border-left: 4px solid var(--urf-warning-border);
    padding: 1rem 1.125rem;
    border-radius: 0 6px 6px 0;
    font-size: 1rem;
    color: var(--urf-text);
}

.urf-warning-callout .urf-btn--callout-draft {
    margin-top: 0.75rem;
}

/* ── Bundle Selection Cards ── */

.urf-compulsory-bundles,
.urf-elective-bundles {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.urf-bundle-card {
    border: 2px solid var(--urf-border);
    border-radius: 8px;
    padding: 1rem;
    background: var(--urf-card-bg);
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}

.urf-bundle-card--compulsory {
    cursor: default;
    opacity: 0.9;
}

.urf-bundle-card--selected {
    border-color: var(--urf-card-selected-border);
    background: var(--urf-card-selected-bg);
    box-shadow: 0 0 0 1px var(--urf-card-selected-border);
}

.urf-bundle-card:hover:not(.urf-bundle-card--compulsory) {
    border-color: var(--urf-accent);
}

.urf-bundle-card__header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.urf-bundle-card__name {
    font-weight: 600;
    font-size: 1rem;
    flex: 1;
}

.urf-bundle-card__badge {
    display: inline-block;
    padding: 0.1875rem 0.625rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.urf-bundle-card__badge--compulsory {
    background: #dbeafe;
    color: #1e40af;
}

.urf-bundle-card__badge--elective {
    background: #e0e7ff;
    color: #3730a3;
}

.urf-theme-dark .urf-bundle-card__badge--compulsory {
    background: #1e3a5f;
    color: #93c5fd;
}

.urf-theme-dark .urf-bundle-card__badge--elective {
    background: #312e81;
    color: #a5b4fc;
}

.urf-bundle-card__toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--urf-muted);
    padding: 0.25rem;
    transition: transform 0.2s;
    line-height: 1;
    min-width: 32px;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.urf-bundle-card__toggle--open {
    transform: rotate(180deg);
}

.urf-bundle-card__meta {
    font-size: 0.875rem;
    color: var(--urf-muted);
    margin-top: 0.375rem;
}

.urf-bundle-card__courses {
    list-style: disc;
    margin-left: 1rem;
    padding-left: 0.25rem;
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--urf-text);
}

.urf-bundle-card__courses li {
    padding: 4px 0;
    border-bottom: 1px solid #f0f0f0;
}

.urf-theme-dark .urf-bundle-card__courses li {
    border-bottom-color: #2a2a4a;
}

.urf-bundle-card__courses li:last-child {
    border-bottom: none;
}

.urf-bundle-card__checkbox {
    display: none;
}

.urf-elective-limit-msg {
    color: var(--urf-error);
    font-size: 0.8125rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

/* ── File Upload ── */

.urf-dropzone {
    border: 2px dashed var(--urf-border);
    border-radius: 8px;
    padding: 2rem 1rem;
    text-align: center;
    cursor: pointer;
    color: var(--urf-muted);
    transition: border-color 0.2s, background-color 0.2s;
    position: relative;
}

.urf-dropzone:hover {
    border-color: var(--urf-accent);
}

.urf-dropzone--active {
    border-color: var(--urf-accent);
    border-style: solid;
    background: var(--urf-card-selected-bg);
}

.urf-file-input-hidden {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.urf-file-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 0;
}

.urf-file-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--urf-border);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    background: var(--urf-card-bg);
}

.urf-file-item__name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--urf-text);
}

.urf-file-item__size {
    color: var(--urf-muted);
    font-size: 0.8125rem;
    white-space: nowrap;
}

.urf-file-item__status {
    font-size: 0.8125rem;
    white-space: nowrap;
}

.urf-file-item__status--uploading {
    color: #d97706;
}

.urf-file-item__status--uploaded {
    color: #059669;
}

.urf-file-item__status--error {
    color: var(--urf-error);
}

.urf-file-item__remove {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    color: var(--urf-muted);
    padding: 0;
    transition: color 0.2s;
    min-width: 32px;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.urf-file-item__remove:hover {
    color: var(--urf-error);
}

/* ── Navigation Buttons ── */

.urf-form-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--urf-border);
    gap: 0.75rem;
    flex-wrap: wrap;
}

.urf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.75rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, opacity 0.2s;
    border: 2px solid transparent;
    text-decoration: none;
    line-height: 1.4;
    min-height: 48px;
}

.urf-btn--next,
.urf-btn--submit {
    background: var(--urf-accent);
    color: #fff;
    border-color: var(--urf-accent);
}

.urf-btn--next:hover,
.urf-btn--submit:hover {
    background: var(--urf-accent-hover);
    border-color: var(--urf-accent-hover);
}

.urf-btn--back {
    background: transparent;
    color: var(--urf-text);
    border-color: var(--urf-border);
}

.urf-btn--back:hover {
    border-color: var(--urf-accent);
    color: var(--urf-accent);
}

.urf-btn--draft {
    background: transparent;
    color: var(--urf-accent);
    border-color: var(--urf-accent);
}

.urf-btn--draft:hover {
    background: var(--urf-info-bg);
}

.urf-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Success Message ── */

.urf-success {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--urf-success-bg);
    color: var(--urf-success-text);
    border-radius: 8px;
    border: 1px solid currentColor;
}

.urf-success h2 {
    margin: 0 0 0.75rem;
    font-size: 1.5rem;
}

.urf-success p {
    margin: 0.5rem 0;
}

/* ── Draft Notice ── */

.urf-draft-notice {
    text-align: center;
    padding: 0.625rem 1rem;
    margin-top: 0.75rem;
    background: var(--urf-info-bg);
    border: 1px solid var(--urf-info-border);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--urf-text);
}

/* ── localStorage Restore Notice ── */

.urf-restore-notice {
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    background: var(--urf-warning-bg);
    border: 1px solid var(--urf-warning-border);
    border-radius: 6px;
    font-size: 0.9375rem;
    color: var(--urf-text);
}

.urf-restore-notice p {
    margin: 0 0 0.5rem;
    font-weight: 600;
}

.urf-restore-notice a {
    color: var(--urf-accent);
    font-weight: 600;
    text-decoration: underline;
    margin-right: 1rem;
}

.urf-restore-notice a:hover {
    color: var(--urf-accent-hover);
}

/* ── Summary Callout (Step 5) ── */

.urf-summary-callout {
    background: var(--urf-card-bg);
    border: 1px solid var(--urf-border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-top: 1.5rem;
}

.urf-summary-callout h4 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    font-weight: 700;
}

.urf-summary-callout p {
    margin: 0.25rem 0;
    font-size: 0.9375rem;
}

/* ── Intro & Terms Text ── */

.urf-intro-text {
    color: var(--urf-muted);
    margin-bottom: 1.25rem;
    font-size: 0.9375rem;
}

.urf-terms-note {
    font-size: 0.8125rem;
    color: var(--urf-muted);
    margin-top: 1.5rem;
}

.urf-terms-note a {
    color: var(--urf-accent);
    text-decoration: underline;
}

/* ── Section ── */

.urf-section {
    margin-bottom: 1.5rem;
}

/* ── Programme Sections ── */
/* Note: .urf-programme-section display is handled in the grid layout rules above */

/* ── Responsive: 768px — collapse grid to single column ── */

@media (max-width: 768px) {
    .urf-form-wrap .urf-step-panel--active,
    .urf-section,
    .urf-programme-section,
    [data-effs-level] {
        grid-template-columns: 1fr;
    }

    .urf-progress-step__number {
        width: 34px;
        height: 34px;
        font-size: 0.8125rem;
    }

    .urf-progress-step__label {
        font-size: 0.8125rem;
        max-width: 90px;
    }
}

/* ── Responsive: 600px ── */

@media (max-width: 600px) {
    .urf-form-wrap {
        padding: 0 0.75rem;
    }

    .urf-field-wrap {
        width: 100%;
    }

    .urf-form-nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .urf-form-nav .urf-btn {
        width: 100%;
    }

    .urf-bundle-card {
        width: 100%;
    }

    .urf-bundle-card__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .urf-file-item {
        flex-wrap: wrap;
    }

    .urf-file-item__name {
        white-space: normal;
        word-break: break-all;
    }
}

/* ── Responsive: 480px ── */

@media (max-width: 480px) {
    .urf-form-wrap {
        font-size: 16px;
    }

    .urf-progress-step__label {
        display: none;
    }

    .urf-progress-step--active .urf-progress-step__label {
        display: none;
    }

    .urf-progress-step__number {
        width: 30px;
        height: 30px;
        font-size: 0.75rem;
    }

    .urf-mobile-step-label {
        display: block;
    }
}