/**
 * Val Verde After-School Programs Survey
 * Multi-step form styles
 */

/* ======================
   SURVEY LAYOUT
   ====================== */
.survey-page {
    min-height: 100vh;
    padding: var(--space-8) var(--space-4);
    background: var(--main-bg);
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(59, 130, 246, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(16, 185, 129, 0.06) 0%, transparent 60%);
}

.survey-wrapper {
    max-width: 820px;
    margin: 0 auto;
}

/* ======================
   SURVEY HEADER
   ====================== */
.survey-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.survey-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-4);
    object-fit: contain;
}

.survey-header h1 {
    font-size: var(--font-size-3xl);
    color: var(--brand-primary);
    margin-bottom: var(--space-3);
    letter-spacing: var(--letter-spacing-tight);
}

.survey-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    max-width: 600px;
    margin: 0 auto;
}

.survey-deadline {
    display: inline-block;
    margin-top: var(--space-4);
    padding: var(--space-2) var(--space-5);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: #B45309;
}

/* ======================
   PROGRESS BAR
   ====================== */
.survey-progress {
    margin-bottom: var(--space-6);
}

.survey-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.survey-progress-info strong {
    color: var(--text-primary);
}

.survey-progress-track {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.survey-progress-fill {
    height: 100%;
    background: var(--gradient-mixed);
    border-radius: 3px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ======================
   STEP CONTAINER
   ====================== */
.survey-step {
    display: none;
}

.survey-step.active {
    display: block;
    animation: fadeSlideUp 0.35s ease;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.survey-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    backdrop-filter: saturate(1.2) blur(var(--glass-blur));
    -webkit-backdrop-filter: saturate(1.2) blur(var(--glass-blur));
    box-shadow: var(--glass-shadow);
    isolation: isolate;
    padding: var(--space-10) var(--space-12);
}

.survey-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: #fff;
    z-index: 0;
    pointer-events: none;
}

.survey-card > * {
    position: relative;
    z-index: 2;
}

.survey-step-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-primary);
    margin-bottom: var(--space-3);
}

.survey-step-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
}

/* ======================
   QUESTION STYLES
   ====================== */
.survey-question {
    margin-bottom: var(--space-8);
}

.survey-question:last-child {
    margin-bottom: 0;
}

.survey-question-label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-normal);
}

.survey-question-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.survey-question-hint {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    color: var(--text-muted);
    margin-top: var(--space-1);
}

/* ======================
   RATING SCALE (Horizontal Radio)
   ====================== */
.rating-scale {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.rating-scale label {
    flex: 1;
    min-width: 0;
}

.rating-scale input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.rating-scale .rating-option {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    line-height: var(--line-height-tight);
    min-height: 52px;
    -webkit-tap-highlight-color: transparent;
}

.rating-scale .rating-option:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.04);
}

.rating-scale input[type="radio"]:checked + .rating-option {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* ======================
   CHECKBOX GRID (Program Selection)
   ====================== */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
}

.checkbox-card {
    position: relative;
}

.checkbox-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-card .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    min-height: 56px;
    -webkit-tap-highlight-color: transparent;
}

.checkbox-card .checkbox-label:hover {
    border-color: var(--color-primary);
    background: rgba(59, 130, 246, 0.03);
}

.checkbox-card input[type="checkbox"]:checked + .checkbox-label {
    border-color: var(--color-primary);
    background: rgba(59, 130, 246, 0.06);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.checkbox-card .check-icon {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.checkbox-card input[type="checkbox"]:checked + .checkbox-label .check-icon {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.checkbox-card input[type="checkbox"]:checked + .checkbox-label .check-icon::after {
    content: "";
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

/* ======================
   MATRIX RATING
   ====================== */
.matrix-rating {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.matrix-header {
    display: none;
}

.matrix-row {
    display: flex;
    flex-direction: column;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.matrix-row:last-child {
    border-bottom: none;
}

.matrix-row-label {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.matrix-options {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.matrix-options label {
    position: relative;
}

.matrix-options input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.matrix-option-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
}

.matrix-option-btn:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.matrix-options input[type="radio"]:checked + .matrix-option-btn {
    background: var(--gradient-secondary);
    border-color: transparent;
    color: white;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

/* Desktop matrix layout */
@media (min-width: 768px) {
    .matrix-header {
        display: grid;
        grid-template-columns: 1.5fr repeat(5, 1fr);
        gap: var(--space-2);
        padding: var(--space-3) var(--space-4);
        background: rgba(249, 250, 251, 0.8);
        border-bottom: 1px solid var(--border-color);
    }

    .matrix-header span {
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-semibold);
        color: var(--text-secondary);
        text-align: center;
    }

    .matrix-header span:first-child {
        text-align: left;
    }

    .matrix-row {
        display: grid;
        grid-template-columns: 1.5fr repeat(5, 1fr);
        gap: var(--space-2);
        align-items: center;
        padding: var(--space-3) var(--space-4);
    }

    .matrix-row-label {
        margin-bottom: 0;
    }

    .matrix-options {
        display: contents;
    }

    .matrix-options label {
        display: flex;
        justify-content: center;
    }

    .matrix-option-btn {
        width: 100%;
        padding: var(--space-2);
    }
}

/* ======================
   PROGRAM SECTION
   ====================== */
.program-section {
    display: none;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-color);
    animation: fadeSlideUp 0.35s ease;
}

.program-section.active {
    display: block;
}

.program-section-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-primary);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.program-section-title .program-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
}

.program-section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-8);
}

/* ======================
   MULTI-SELECT CHIPS
   ====================== */
.chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.chip-option {
    position: relative;
}

.chip-option input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.chip-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
}

.chip-label:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.chip-option input[type="checkbox"]:checked + .chip-label {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
}

/* ======================
   RADIO GROUP (Vertical)
   ====================== */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.radio-option {
    position: relative;
}

.radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    min-height: 52px;
    -webkit-tap-highlight-color: transparent;
}

.radio-label:hover {
    border-color: var(--color-primary);
    background: rgba(59, 130, 246, 0.03);
}

.radio-option input[type="radio"]:checked + .radio-label {
    border-color: var(--color-primary);
    background: rgba(59, 130, 246, 0.06);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.radio-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.radio-option input[type="radio"]:checked + .radio-label .radio-dot {
    border-color: var(--color-primary);
}

.radio-option input[type="radio"]:checked + .radio-label .radio-dot::after {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gradient-primary);
}

/* ======================
   NAVIGATION BUTTONS
   ====================== */
.survey-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-6);
    gap: var(--space-4);
}

.survey-nav .ui-btn {
    min-width: 120px;
}

.survey-nav .ui-btn--primary {
    min-width: 140px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-back:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-next {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: white;
    background: var(--gradient-primary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-next:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.btn-next:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: white;
    background: var(--gradient-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-submit:hover {
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ======================
   OTHER TEXT INPUT
   ====================== */
.other-text-wrapper {
    display: none;
    margin-top: var(--space-3);
}

.other-text-wrapper.active {
    display: block;
    animation: fadeSlideUp 0.25s ease;
}

/* ======================
   SUCCESS STATE
   ====================== */
.survey-success {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPulse 0.6s ease;
}

.success-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-secondary);
}

@keyframes successPulse {
    0% { transform: scale(0.5); opacity: 0; }
    60% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.survey-success h2 {
    font-size: var(--font-size-3xl);
    color: var(--brand-primary);
    margin-bottom: var(--space-4);
}

.survey-success p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    max-width: 480px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* ======================
   ERROR STATE
   ====================== */
.field-error {
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    margin-top: var(--space-2);
    display: none;
}

.field-error.visible {
    display: block;
    animation: fadeSlideUp 0.2s ease;
}

/* ======================
   LOADING SPINNER
   ====================== */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ======================
   SURVEY FOOTER
   ====================== */
.survey-footer {
    text-align: center;
    margin-top: var(--space-8);
    padding-bottom: var(--space-8);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ======================
   GLASS FALLBACK
   For browsers / devices without backdrop-filter support
   ====================== */
@supports not (backdrop-filter: blur(1px)) {
    .survey-card {
        background: rgba(255, 255, 255, 0.95);
    }
}

/* ======================
   RESPONSIVE — Tablet (768px)
   ====================== */
@media (max-width: 768px) {
    .survey-page {
        padding: var(--space-6) var(--space-3);
    }

    .survey-card {
        padding: var(--space-6) var(--space-5);
    }

    .chip-grid {
        gap: var(--space-3);
    }
}

/* ======================
   RESPONSIVE — Mobile (640px)
   ====================== */
@media (max-width: 640px) {
    .survey-page {
        padding: var(--space-4) var(--space-2);
        padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
    }

    .survey-card {
        padding: var(--space-5) var(--space-4);
        border-radius: var(--radius);
    }

    .survey-header {
        margin-bottom: var(--space-6);
    }

    .survey-header h1 {
        font-size: var(--font-size-xl);
    }

    .survey-header p {
        font-size: var(--font-size-xs);
    }

    .survey-logo {
        width: 88px;
        height: 88px;
    }

    .survey-step-title {
        font-size: var(--font-size-lg);
    }

    .rating-scale {
        flex-direction: column;
    }

    .rating-scale label {
        flex: auto;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }

    .chip-grid {
        flex-direction: column;
    }

    .chip-label {
        width: 100%;
        justify-content: center;
    }

    .ui-textarea {
        resize: none;
    }

    .survey-nav {
        flex-direction: column-reverse;
    }

    .survey-nav .btn-back,
    .survey-nav .btn-next,
    .survey-nav .btn-submit {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    .program-section-title {
        flex-wrap: wrap;
    }

    .matrix-option-btn {
        flex: 1;
        min-width: 0;
    }

    .matrix-options {
        gap: var(--space-1);
    }
}

/* ======================
   RESPONSIVE — Small Mobile (380px)
   ====================== */
@media (max-width: 380px) {
    .survey-page {
        padding: var(--space-3) var(--space-2);
    }

    .survey-card {
        padding: var(--space-4) var(--space-3);
    }

    .survey-header h1 {
        font-size: var(--font-size-lg);
    }

    .matrix-option-btn {
        font-size: 0.65rem;
        padding: var(--space-2) var(--space-1);
    }

    .rating-scale .rating-option {
        font-size: var(--font-size-xs);
    }

    .lang-btn {
        padding: var(--space-2) var(--space-3);
    }
}

/* ======================
   SAFE AREA (Notched phones)
   ====================== */
@supports (padding: env(safe-area-inset-bottom)) {
    .survey-page {
        padding-left: max(var(--space-4), env(safe-area-inset-left));
        padding-right: max(var(--space-4), env(safe-area-inset-right));
    }
}

/* ======================
   REDUCE MOTION
   ====================== */
@media (prefers-reduced-motion: reduce) {
    .survey-step.active {
        animation: none;
    }

    .program-section {
        animation: none;
    }

    .survey-progress-fill {
        transition: none;
    }

    .success-icon {
        animation: none;
    }

    .btn-next:hover,
    .btn-submit:hover {
        transform: none;
    }
}

/* ======================
   LANGUAGE TOGGLE
   ====================== */
.lang-toggle {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.lang-btn {
    padding: var(--space-3) var(--space-5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lang-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.lang-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}