/* ============================================
   SPINNER AND LOADING STATE STYLES
   ============================================ */

.dcforms-calendar { position: relative; display: flex; align-items: stretch; width: 100%; }
.dcforms-calendar > input { flex: 1 1 auto; min-width: 0; }
.dcforms-calendar-toggle, .dcforms-calendar-header button, .dcforms-calendar-today { min-width: 2.75rem; min-height: 2.75rem; border: 1px solid #6b7280; background: #f8fafc; color: #111827; cursor: pointer; }
.dcforms-calendar-toggle { border-left: 0; border-radius: 0 0.25rem 0.25rem 0; }
.dcforms-calendar-toggle:focus-visible, .dcforms-calendar-popup button:focus-visible, .dcforms-calendar > input:focus-visible { outline: 3px solid #1d4ed8; outline-offset: 2px; z-index: 2; }
.dcforms-calendar-popup { position: absolute; top: calc(100% + 0.25rem); left: 0; z-index: 20; width: min(22rem, calc(100vw - 2rem)); padding: 0.75rem; border: 2px solid #374151; border-radius: 0.25rem; background: #fff; color: #111827; box-shadow: 0 0.5rem 1rem rgb(0 0 0 / 20%); }
.dcforms-calendar-header, .dcforms-calendar-weekdays, .dcforms-calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.25rem; }
.dcforms-calendar-header { grid-template-columns: 2.75rem 1fr 2.75rem; align-items: center; margin-bottom: 0.5rem; }
.dcforms-calendar-header h2 { margin: 0; font-size: 1rem; text-align: center; }
.dcforms-calendar-weekdays { margin-bottom: 0.25rem; font-weight: 700; text-align: center; }
.dcforms-calendar-weekdays span { padding: 0.25rem 0; font-size: 0.75rem; }
.dcforms-calendar-day { min-height: 2.5rem; border: 1px solid transparent; background: #fff; color: #111827; cursor: pointer; }
.dcforms-calendar-day:hover, .dcforms-calendar-day[aria-selected="true"] { border-color: #1d4ed8; background: #dbeafe; }
.dcforms-calendar-day.is-outside-month { color: #6b7280; }
.dcforms-calendar-day:disabled { color: #9ca3af; background: #f3f4f6; cursor: not-allowed; text-decoration: line-through; }
.dcforms-calendar-today { display: block; width: 100%; margin-top: 0.5rem; border-radius: 0.25rem; font-weight: 700; }
.dcforms-designer-date-preview { display: grid; gap: 0.35rem; width: 100%; }
.dcforms-designer-date-preview label { font-weight: 700; }
[data-theme="dark"] .dcforms-calendar-popup, [data-theme="dark"] .dcforms-calendar-day, [data-theme="dark"] .dcforms-calendar-toggle, [data-theme="dark"] .dcforms-calendar-header button, [data-theme="dark"] .dcforms-calendar-today { background: #1f2937; color: #f9fafb; }

/* Main spinner overlay container */
.dcforms-spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.dcforms-spinner-overlay.active {
    display: flex;
    opacity: 1;
}

/* Spinner container */
.dcforms-spinner-container {
    background: white;
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    max-width: 300px;
}

/* Animated spinner SVG */
.dcforms-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.dcforms-spinner svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Alternative: CSS-based spinner (no SVG needed) */
.dcforms-spinner-ring {
    display: inline-block;
    position: relative;
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.dcforms-spinner-ring::after {
    content: " ";
    display: block;
    width: 48px;
    height: 48px;
    margin: 6px;
    border-radius: 50%;
    border: 5px solid #3b82f6;
    border-color: #3b82f6 transparent #3b82f6 transparent;
    animation: lds-dual-ring 1.2s linear infinite;
}

@keyframes lds-dual-ring {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Inline spinner for buttons */
.dcforms-spinner-inline {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    vertical-align: middle;
}

.dcforms-spinner-inline svg {
    animation: spin 1s linear infinite;
}

/* Spinner text */
.dcforms-spinner-text {
    color: #333;
    font-size: 18px;
    font-weight: 600;
    margin: 10px 0;
}

.dcforms-spinner-text.secondary {
    color: #666;
    font-size: 14px;
    margin-top: 8px;
    font-weight: 400;
}

/* Dark mode support */
[data-theme="dark"] .dcforms-spinner-overlay {
    background-color: rgba(0, 0, 0, 0.8);
}

[data-theme="dark"] .dcforms-spinner-container {
    background: #2d2d2d;
    color: #e0e0e0;
}

[data-theme="dark"] .dcforms-spinner-text {
    color: #e0e0e0;
}

[data-theme="dark"] .dcforms-spinner-text.secondary {
    color: #999;
}

[data-theme="dark"] .dcforms-spinner-ring::after {
    border-color: #60a5fa transparent #60a5fa transparent;
}

/* Disabled button state while loading */
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Loading state for buttons with spinner inside */
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.dcforms-spinner-dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.dcforms-spinner-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #3b82f6;
    animation: bounce 1.4s infinite;
}

.dcforms-spinner-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.dcforms-spinner-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {
    0%, 80%, 100% { opacity: 0.6; transform: translateY(0); }
    40% { opacity: 1; transform: translateY(-8px); }
}

.dcforms-section-accordion-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.2s ease;
}

.dcforms-section-accordion-content.is-open {
    max-height: 10000px;
    opacity: 1;
}

.dcforms-section-accordion-content.is-collapsed {
    max-height: 0;
    opacity: 0;
}

[data-section-accordion-toggle] {
    cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
    .dcforms-section-accordion-content {
        transition: none;
    }
}

/* ============================================
   BRAND TOKENS AND INTERACTIVE CONTROLS
   ============================================ */

:root {
    --dcforms-brand-primary: #B11216;
    --dcforms-brand-primary-rgb: 177, 18, 22;
    --dcforms-brand-text: #262626;
    --dcforms-brand-surface: #ffffff;
    --dcforms-brand-surface-soft: rgba(177, 18, 22, 0.06);
    --dcforms-brand-surface-strong: rgba(177, 18, 22, 0.1);
    --dcforms-brand-border: rgba(177, 18, 22, 0.24);
    --dcforms-brand-focus: rgba(177, 18, 22, 0.28);
    --dcforms-brand-error-text: #C74200;
    --dcforms-brand-error-bg: #FFF1EB;
    --dcforms-brand-error-border: #FBDFD1;
    --dcforms-brand-font: "Inter", "Noto Sans", "Segoe UI", Arial, sans-serif;
}

body,
button,
input,
select,
textarea {
    font-family: var(--dcforms-brand-font);
    color: var(--dcforms-brand-text);
}

.dcforms-brand-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 2.75rem;
    padding: 0.72rem 1.15rem;
    border: 1px solid transparent;
    border-radius: 9999px;
    font-size: clamp(0.92rem, 0.9rem + 0.12vw, 1rem);
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease, transform 0.2s ease;
    box-shadow: 0 1px 3px rgba(38, 38, 38, 0.12);
}

.dcforms-brand-btn:hover:not(:disabled),
.dcforms-brand-btn:active:not(:disabled) {
    transform: translateY(-1px);
}

.dcforms-brand-btn:focus-visible {
    outline: 3px solid var(--dcforms-brand-focus);
    outline-offset: 2px;
}

.dcforms-brand-btn--primary {
    background-color: var(--dcforms-brand-primary);
    border-color: var(--dcforms-brand-primary);
    color: #ffffff;
}

.dcforms-brand-btn--primary:hover:not(:disabled),
.dcforms-brand-btn--primary:active:not(:disabled) {
    filter: brightness(0.92);
}

.dcforms-brand-btn--neutral {
    background-color: var(--dcforms-brand-surface);
    border-color: var(--dcforms-brand-border);
    color: var(--dcforms-brand-text);
}

.dcforms-brand-btn--neutral:hover:not(:disabled),
.dcforms-brand-btn--neutral:active:not(:disabled) {
    background-color: var(--dcforms-brand-surface-soft);
    border-color: rgba(var(--dcforms-brand-primary-rgb), 0.36);
}

.dcforms-brand-btn--subtle {
    background-color: var(--dcforms-brand-surface-soft);
    border-color: transparent;
    color: var(--dcforms-brand-primary);
    box-shadow: none;
}

.dcforms-brand-btn--subtle:hover:not(:disabled),
.dcforms-brand-btn--subtle:active:not(:disabled) {
    background-color: var(--dcforms-brand-surface-strong);
}

.dcforms-brand-btn--danger {
    background-color: var(--dcforms-brand-error-bg);
    border-color: var(--dcforms-brand-error-border);
    color: var(--dcforms-brand-error-text);
}

.dcforms-brand-btn--danger:hover:not(:disabled),
.dcforms-brand-btn--danger:active:not(:disabled) {
    background-color: var(--dcforms-brand-error-border);
}

.dcforms-brand-btn--compact {
    min-height: 2rem;
    padding: 0.45rem 0.8rem;
    border-radius: 0.85rem;
    font-size: 0.875rem;
}

.dcforms-brand-menu {
    border: 1px solid var(--dcforms-brand-border);
    border-radius: 1rem;
    background-color: var(--dcforms-brand-surface);
    box-shadow: 0 10px 28px rgba(38, 38, 38, 0.14);
}

.dcforms-brand-menu-link {
    font-family: var(--dcforms-brand-font);
    color: var(--dcforms-brand-text);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dcforms-brand-menu-link:hover,
.dcforms-brand-menu-link:focus-visible {
    background-color: var(--dcforms-brand-surface-soft);
    color: var(--dcforms-brand-primary);
    outline: none;
}

.dcforms-brand-menu-link--danger {
    color: var(--dcforms-brand-error-text);
}

.dcforms-brand-menu-link--danger:hover,
.dcforms-brand-menu-link--danger:focus-visible {
    background-color: var(--dcforms-brand-error-bg);
    color: var(--dcforms-brand-error-text);
}

[data-theme="dark"] .dcforms-brand-btn {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.32);
}

[data-theme="dark"] .dcforms-brand-btn--neutral {
    background-color: #1f2937;
    border-color: #4b5563;
    color: #f9fafb;
}

[data-theme="dark"] .dcforms-brand-btn--neutral:hover:not(:disabled),
[data-theme="dark"] .dcforms-brand-btn--neutral:active:not(:disabled) {
    background-color: #374151;
    border-color: #9ca3af;
}

[data-theme="dark"] .dcforms-brand-btn--subtle {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fecaca;
}

[data-theme="dark"] .dcforms-brand-btn--subtle:hover:not(:disabled),
[data-theme="dark"] .dcforms-brand-btn--subtle:active:not(:disabled) {
    background-color: rgba(255, 255, 255, 0.14);
}

[data-theme="dark"] .dcforms-brand-btn--danger {
    background-color: rgba(199, 66, 0, 0.18);
    border-color: rgba(251, 223, 209, 0.36);
    color: #ffd8c7;
}

[data-theme="dark"] .dcforms-brand-btn--danger:hover:not(:disabled),
[data-theme="dark"] .dcforms-brand-btn--danger:active:not(:disabled) {
    background-color: rgba(199, 66, 0, 0.28);
}

[data-theme="dark"] .dcforms-brand-menu {
    border-color: #4b5563;
    background-color: #1f2937;
}

[data-theme="dark"] .dcforms-brand-menu-link {
    color: #f9fafb;
}

[data-theme="dark"] .dcforms-brand-menu-link:hover,
[data-theme="dark"] .dcforms-brand-menu-link:focus-visible {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fecaca;
}

[data-theme="dark"] .dcforms-brand-menu-link--danger {
    color: #fda4af;
}

[data-theme="dark"] .dcforms-brand-menu-link--danger:hover,
[data-theme="dark"] .dcforms-brand-menu-link--danger:focus-visible {
    background-color: rgba(251, 113, 133, 0.16);
    color: #fecdd3;
}

/* ============================================
   PAGE NAVIGATION TAB STYLES
   ============================================ */

.dcforms-form-card-wrapper {
    position: relative;
}

.dcforms-form-card-wrapper--with-page-nav {
    padding-top: 2.75rem;
}

.dcforms-page-navigation-root {
    position: absolute;
    top: 0;
    right: 0.75rem;
    left: 0.75rem;
    z-index: 10;
    display: flex;
    justify-content: flex-end;
}

.dcforms-page-tab-list {
    display: flex;
    max-width: 100%;
    gap: 0.35rem;
    overflow-x: auto;
    padding: 0 0 0.1rem 0.5rem;
    scrollbar-gutter: stable;
}

.dcforms-page-tab {
    display: inline-flex;
    min-width: 7.5rem;
    max-width: 9.5rem;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    border: 1px solid var(--dcforms-brand-border);
    border-bottom: none;
    border-radius: 0.85rem 0.85rem 0 0;
    padding: 0.7rem 0.9rem 0.8rem;
    background: var(--dcforms-brand-surface);
    color: var(--dcforms-brand-text);
    box-shadow: 0 -1px 0 rgba(var(--dcforms-brand-primary-rgb), 0.08), 0 4px 10px rgba(38, 38, 38, 0.08);
    font-size: clamp(0.88rem, 0.85rem + 0.1vw, 0.97rem);
    font-weight: 600;
    line-height: 1.1;
    text-align: left;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    flex: 0 0 auto;
}

.dcforms-page-tab:hover:not(:disabled):not([aria-disabled="true"]) {
    background: var(--dcforms-brand-surface-soft);
    border-color: rgba(var(--dcforms-brand-primary-rgb), 0.36);
}

.dcforms-page-tab:focus-visible {
    outline: 3px solid var(--dcforms-brand-focus);
    outline-offset: 2px;
}

.dcforms-page-tab:disabled,
.dcforms-page-tab[aria-disabled="true"] {
    cursor: not-allowed;
}

.dcforms-page-tab__status {
    display: inline-flex;
    height: 1.5rem;
    width: 1.5rem;
    flex: 0 0 1.5rem;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: inset 0 0 0 1px rgba(var(--dcforms-brand-primary-rgb), 0.12);
    font-size: 0.85rem;
    line-height: 1;
}

.dcforms-page-tab__label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dcforms-page-tab--current {
    border-color: var(--dcforms-brand-primary);
    background: #ffffff;
    color: var(--dcforms-brand-primary);
    box-shadow: 0 -1px 0 rgba(var(--dcforms-brand-primary-rgb), 0.12), 0 6px 14px rgba(var(--dcforms-brand-primary-rgb), 0.12);
}

.dcforms-page-tab--current .dcforms-page-tab__status {
    background: rgba(var(--dcforms-brand-primary-rgb), 0.1);
    color: var(--dcforms-brand-primary);
}

.dcforms-page-tab--completed {
    border-color: var(--dcforms-brand-primary);
    background: var(--dcforms-brand-primary);
    color: #ffffff;
}

.dcforms-page-tab--available {
    border-color: var(--dcforms-brand-primary);
    background: var(--dcforms-brand-primary);
    color: #ffffff;
}

.dcforms-page-tab--locked {
    border-color: rgba(var(--dcforms-brand-primary-rgb), 0.78);
    background: rgba(var(--dcforms-brand-primary-rgb), 0.78);
    color: #fff5f5;
    box-shadow: none;
}

[data-theme="dark"] .dcforms-page-tab {
    border-color: #4b5563;
    background: #1e293b;
    color: #f8fafc;
    box-shadow: 0 -1px 0 rgba(15, 23, 42, 0.2), 0 4px 10px rgba(15, 23, 42, 0.35);
}

[data-theme="dark"] .dcforms-page-tab:hover:not(:disabled) {
    background: #334155;
    border-color: #9ca3af;
}

[data-theme="dark"] .dcforms-page-tab__status {
    background: rgba(248, 250, 252, 0.96);
    box-shadow: inset 0 0 0 1px rgba(var(--dcforms-brand-primary-rgb), 0.18);
}

[data-theme="dark"] .dcforms-page-tab--current {
    border-color: #fecaca;
    background: #ffffff;
    color: var(--dcforms-brand-primary);
}

[data-theme="dark"] .dcforms-page-tab--current .dcforms-page-tab__status {
    color: var(--dcforms-brand-primary);
}

[data-theme="dark"] .dcforms-page-tab--completed {
    border-color: #fca5a5;
    background: var(--dcforms-brand-primary);
    color: #ffffff;
}

[data-theme="dark"] .dcforms-page-tab--available {
    border-color: #fca5a5;
    background: var(--dcforms-brand-primary);
    color: #ffffff;
}

[data-theme="dark"] .dcforms-page-tab--locked {
    border-color: rgba(252, 165, 165, 0.7);
    background: rgba(var(--dcforms-brand-primary-rgb), 0.74);
    color: #ffe4e6;
    box-shadow: none;
}

@media (min-width: 640px) {
    .dcforms-form-card-wrapper--with-page-nav {
        padding-top: 3rem;
    }

    .dcforms-page-tab {
        min-width: 8.5rem;
        max-width: 10.5rem;
        padding: 0.8rem 1rem 0.9rem;
    }
}