/* ==========================================================================
   Funnel Forms - Conversational Flow Frontend
   ========================================================================== */

.funnel-flow-wrapper {
    --ff-primary: #4F46E5;
    --ff-bg: #ffffff;
    --ff-text: #1e293b;
    --ff-accent: #10b981;
    --ff-error: #ef4444;
    --ff-radius: 12px;
    --ff-font: inherit;
    --ff-text-muted: color-mix(in srgb, var(--ff-text) 50%, transparent);
    --ff-border: color-mix(in srgb, var(--ff-text) 15%, transparent);
    --ff-primary-soft: color-mix(in srgb, var(--ff-primary) 8%, var(--ff-bg));
}

.funnel-flow-wrapper {
    font-family: var(--ff-font);
    color: var(--ff-text);
    background: var(--ff-bg);
    position: relative;
    min-height: 480px;
    max-width: 720px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--ff-radius);
}

.funnel-flow {
    position: relative;
}

/* ---------- Progress Bar ---------- */
.ff-progress {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--ff-bg);
}

.ff-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--ff-border);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.ff-progress-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--ff-progress, 0%);
    background: var(--ff-primary);
    border-radius: 3px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.ff-progress-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--ff-primary);
    min-width: 36px;
    text-align: right;
}

/* ---------- Steps Container ---------- */
.ff-steps-container {
    position: relative;
}

.ff-step {
    display: none;
    padding: 40px 32px 60px;
    animation: ffFadeUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 320px;
    align-items: flex-start;
}

.ff-step.active {
    display: flex;
}

.ff-step-inner {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
}

.ff-step[data-field-type='slider'] .ff-step-inner {
    max-width: none;
}

/* Header field */
.ff-step[data-field-type='header'] .ff-step-inner {
    text-align: center;
}

.ff-header-title {
    margin: 0 0 8px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--ff-text);
    letter-spacing: -0.02em;
}

h1.ff-header-title { font-size: clamp(28px, 5vw, 42px); }
h2.ff-header-title { font-size: clamp(24px, 4vw, 34px); }
h3.ff-header-title { font-size: clamp(20px, 3.5vw, 26px); }
h4.ff-header-title { font-size: clamp(17px, 3vw, 21px); }

.ff-header-description {
    margin: 0;
    font-size: clamp(15px, 2vw, 18px);
    color: color-mix(in srgb, var(--ff-text) 65%, transparent);
    line-height: 1.5;
}

.ff-step[data-field-type='header'] .ff-input-wrap {
    display: none;
}

@keyframes ffFadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ffFadeDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ff-step.animate-prev {
    animation: ffFadeDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Step Number ---------- */
.ff-step-number {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--ff-primary);
    margin-bottom: 8px;
}

.ff-step-arrow {
    font-size: 16px;
}

/* ---------- Step Label (Question) ---------- */
.ff-step-label {
    display: block;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--ff-text);
    margin-bottom: 6px;
    cursor: default;
}

.ff-required {
    color: var(--ff-error);
}

.ff-step-description {
    font-size: 15px;
    color: var(--ff-text-muted);
    margin: 0 0 20px;
    line-height: 1.5;
}

.ff-step-label + .ff-input-wrap {
    margin-top: 20px;
}

.ff-step-description + .ff-input-wrap {
    margin-top: 0;
}

.ff-input-wrap {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* ---------- Text Inputs ---------- */
.ff-input {
    width: 100%;
    padding: 14px 0;
    border: none;
    border-bottom: 2px solid var(--ff-border);
    background: transparent;
    font-size: 20px;
    font-family: var(--ff-font);
    color: var(--ff-text);
    outline: none;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.ff-input:focus {
    border-bottom-color: var(--ff-primary);
}

.ff-input::placeholder {
    color: var(--ff-text-muted);
}

.ff-textarea {
    resize: none;
    min-height: 80px;
    font-size: 18px;
    line-height: 1.5;
}

/* ---------- Option Cards (Radio, Checkbox, Select) ---------- */
.ff-radio-options,
.ff-checkbox-options,
.ff-select-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ff-option-card {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border: 2px solid var(--ff-border);
    border-radius: var(--ff-radius);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--ff-bg);
    position: relative;
    user-select: none;
    box-sizing: border-box;
    text-align: left;
}

.ff-option-card:hover {
    border-color: var(--ff-primary);
    background: var(--ff-primary-soft);
}

.ff-option-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.ff-option-input:checked + .ff-option-icon + .ff-option-key,
.ff-option-input:checked + .ff-option-key,
.ff-option-input:checked ~ .ff-option-key {
    background: var(--ff-primary);
    color: #fff;
    border-color: var(--ff-primary);
}

.ff-option-input:checked ~ .ff-option-text {
    font-weight: 600;
}

.ff-option-card:has(.ff-option-input:checked) {
    border-color: var(--ff-primary);
    background: var(--ff-primary-soft);
    box-shadow: 0 0 0 1px var(--ff-primary);
}

.ff-option-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 2px solid var(--ff-border);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--ff-text-muted);
    flex-shrink: 0;
    transition: all 0.2s;
}

.ff-option-text {
    font-size: 16px;
    color: var(--ff-text);
    line-height: 1.3;
    transition: font-weight 0.2s;
    flex: 0 1 auto;
    min-width: 0;
    margin-left: 0;
    text-align: left;
}

/* ---------- Option Icons ---------- */
.ff-option-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--ff-primary);
    flex: 0 0 auto;
}

.ff-option-icon svg {
    width: 24px;
    height: 24px;
    display: block;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.ff-has-icons .ff-option-card {
    padding: 16px 20px;
}

/* ---------- Radio: large icon tiles (when option icons are configured) ---------- */
.ff-radio-options.ff-has-icons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 16px;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
}

.ff-radio-options.ff-has-icons .ff-option-card {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    gap: 0;
    padding: 0;
    min-height: 0;
    border: 2px solid transparent;
    border-radius: max(20px, var(--ff-radius));
    background: var(--ff-bg);
    box-shadow: 0 8px 28px color-mix(in srgb, var(--ff-text) 8%, transparent);
    overflow: hidden;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease, background 0.2s ease;
}

.ff-radio-options.ff-has-icons .ff-option-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px color-mix(in srgb, var(--ff-text) 12%, transparent);
}

.ff-radio-options.ff-has-icons .ff-option-card:has(.ff-option-input:checked) {
    border-color: var(--ff-primary);
    background: var(--ff-bg);
    box-shadow:
        0 0 0 4px color-mix(in srgb, var(--ff-primary) 22%, transparent),
        0 14px 36px color-mix(in srgb, var(--ff-primary) 20%, transparent);
}

.ff-radio-options.ff-has-icons .ff-option-key {
    display: none;
}

.ff-radio-tile-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 140px;
    padding: 24px 16px;
    box-sizing: border-box;
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--ff-primary) 6%, var(--ff-bg)) 0%,
        var(--ff-bg) 100%
    );
}

.ff-radio-tile-visual--empty {
    min-height: 100px;
}

.ff-radio-options.ff-has-icons .ff-option-icon {
    width: 100px;
    height: 100px;
    color: var(--ff-primary);
}

.ff-radio-options.ff-has-icons .ff-option-icon svg {
    width: 72px;
    height: 72px;
    stroke-width: 1.75;
}

.ff-radio-options.ff-has-icons .ff-option-text {
    display: block;
    width: 100%;
    padding: 14px 16px 18px;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    line-height: 1.35;
    border-top: 1px solid var(--ff-border);
    box-sizing: border-box;
}

.ff-radio-options.ff-has-icons .ff-option-card:has(.ff-option-input:checked) .ff-option-text {
    color: var(--ff-primary);
}

@media screen and (max-width: 480px) {
    .ff-radio-options.ff-has-icons {
        grid-template-columns: 1fr;
        max-width: 280px;
    }

    .ff-radio-tile-visual {
        min-height: 120px;
    }

    .ff-radio-options.ff-has-icons .ff-option-icon {
        width: 88px;
        height: 88px;
    }

    .ff-radio-options.ff-has-icons .ff-option-icon svg {
        width: 64px;
        height: 64px;
    }
}

/* ---------- Checkbox Check Mark ---------- */
.ff-option-check {
    display: none;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    background: var(--ff-primary);
    color: #fff;
    flex-shrink: 0;
}

.ff-checkbox-card:has(.ff-option-input:checked) .ff-option-check {
    display: inline-flex;
}

/* ---------- Hint Text ---------- */
.ff-hint {
    font-size: 13px;
    color: var(--ff-text-muted);
    margin: 8px 0 0;
}

/* ---------- OK / Continue Button ---------- */
.ff-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--ff-primary);
    color: #fff;
    border: none;
    border-radius: var(--ff-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 24px;
    font-family: var(--ff-font);
    line-height: 1;
}

.ff-btn svg {
    width: 16px;
    height: 16px;
    display: block;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
}

.ff-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--ff-primary) 30%, transparent);
}

.ff-btn:active {
    transform: translateY(0);
}

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

.ff-submit-btn {
    font-size: 17px;
    padding: 16px 36px;
}

.ff-submit-btn.loading {
    position: relative;
    color: transparent;
}

.ff-submit-btn.loading svg {
    display: none;
}

.ff-submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ffSpin 0.6s linear infinite;
}

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

/* ---------- Navigation ---------- */
.ff-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-top: 1px solid var(--ff-border);
    background: var(--ff-bg);
}

.ff-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid var(--ff-border);
    border-radius: 8px;
    background: var(--ff-bg);
    cursor: pointer;
    color: var(--ff-text);
    transition: all 0.2s;
    padding: 0;
    line-height: 1;
}

.ff-nav-btn svg {
    width: 20px;
    height: 20px;
    display: block;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
}

.ff-nav-btn:hover:not(:disabled) {
    border-color: var(--ff-primary);
    color: var(--ff-primary);
}

.ff-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.ff-nav-hint {
    margin-left: auto;
    font-size: 12px;
    color: var(--ff-text-muted);
}

.ff-nav-hint kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--ff-border);
    border-radius: 4px;
    font-size: 11px;
    font-family: inherit;
}

/* ---------- Zip Code Lookup ---------- */
.ff-zip-lookup {
    display: none;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
    animation: ffFadeUp 0.3s ease;
}

.ff-zip-loading {
    color: var(--ff-text-muted);
}

.ff-zip-success {
    color: var(--ff-accent);
    background: color-mix(in srgb, var(--ff-accent) 10%, var(--ff-bg));
    border: 1px solid color-mix(in srgb, var(--ff-accent) 25%, transparent);
}

.ff-zip-success svg {
    flex-shrink: 0;
}

.ff-zip-error {
    color: var(--ff-error);
    background: color-mix(in srgb, var(--ff-error) 10%, var(--ff-bg));
    border: 1px solid color-mix(in srgb, var(--ff-error) 25%, transparent);
}

.ff-zipcode-input {
    letter-spacing: 0.15em;
    font-variant-numeric: tabular-nums;
}

/* ---------- Slider ---------- */
.ff-slider-field {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* Hero value display */
.ff-slider-hero {
    text-align: center;
    margin-bottom: 28px;
}

.ff-slider-value-display {
    font-size: clamp(36px, 8vw, 56px);
    font-weight: 800;
    color: var(--ff-primary);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    transition: color 0.2s;
}

/* Track container */
.ff-slider-track {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 8px 0 0;
    box-sizing: border-box;
}

/* Range input */
.ff-slider-range {
    -webkit-appearance: none;
    appearance: none;
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0;
    height: 12px;
    box-sizing: border-box;
    border-radius: 999px;
    background: linear-gradient(
        to right,
        var(--ff-primary) 0%,
        var(--ff-primary) var(--ff-slider-pct, 0%),
        color-mix(in srgb, var(--ff-text) 10%, var(--ff-bg)) var(--ff-slider-pct, 0%),
        color-mix(in srgb, var(--ff-text) 10%, var(--ff-bg)) 100%
    );
    outline: none;
    cursor: pointer;
    transition: background 0.1s;
}

.ff-slider-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ff-primary);
    border: 4px solid var(--ff-bg);
    box-shadow:
        0 2px 8px color-mix(in srgb, var(--ff-primary) 40%, transparent),
        0 0 0 0 color-mix(in srgb, var(--ff-primary) 20%, transparent);
    cursor: grab;
    transition: box-shadow 0.2s, transform 0.15s;
}

.ff-slider-range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow:
        0 4px 16px color-mix(in srgb, var(--ff-primary) 50%, transparent),
        0 0 0 6px color-mix(in srgb, var(--ff-primary) 12%, transparent);
}

.ff-slider-range:active::-webkit-slider-thumb {
    cursor: grabbing;
    transform: scale(1.15);
}

.ff-slider-range::-moz-range-track {
    height: 12px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--ff-text) 10%, var(--ff-bg));
}

.ff-slider-range::-moz-range-progress {
    height: 12px;
    border-radius: 999px;
    background: var(--ff-primary);
}

.ff-slider-range::-moz-range-thumb {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ff-primary);
    border: 4px solid var(--ff-bg);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--ff-primary) 40%, transparent);
    cursor: grab;
}

/* Min/Max labels */
.ff-slider-extremes {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 500;
    color: var(--ff-text-muted);
    margin-top: 10px;
    font-variant-numeric: tabular-nums;
}

/* Manual input */
.ff-slider-manual {
    display: flex;
    align-items: center;
    gap: 0;
    margin-top: 24px;
    border: 2px solid var(--ff-border);
    border-radius: var(--ff-radius);
    overflow: hidden;
    background: var(--ff-bg);
    transition: border-color 0.25s, box-shadow 0.25s;
}

.ff-slider-manual:focus-within {
    border-color: var(--ff-primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--ff-primary) 10%, transparent);
}

.ff-slider-prefix {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    font-size: 18px;
    font-weight: 700;
    color: var(--ff-primary);
    background: color-mix(in srgb, var(--ff-primary) 6%, var(--ff-bg));
    border-right: 2px solid var(--ff-border);
    user-select: none;
    min-height: 52px;
}

.ff-slider-manual .ff-slider-manual-input {
    flex: 1;
    border: none;
    border-bottom: none;
    border-radius: 0;
    padding: 14px 16px;
    font-size: 18px;
    font-weight: 600;
    min-width: 0;
    font-variant-numeric: tabular-nums;
    background: transparent;
}

.ff-slider-manual .ff-slider-manual-input:focus {
    border-bottom-color: transparent;
    outline: none;
}

/* Remove number input spinners */
.ff-slider-manual-input::-webkit-outer-spin-button,
.ff-slider-manual-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.ff-slider-manual-input[type=number] {
    -moz-appearance: textfield;
}

.ff-step.has-error .ff-slider-manual {
    border-color: var(--ff-error);
}

/* ---------- Field Errors ---------- */
.ff-field-error {
    color: var(--ff-error);
    font-size: 14px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ff-field-error::before {
    content: '!';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--ff-error);
    color: #fff;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.ff-step.has-error .ff-input {
    border-bottom-color: var(--ff-error);
}

.ff-step.has-error .ff-option-card {
    border-color: color-mix(in srgb, var(--ff-error) 30%, transparent);
}

/* ---------- Completion Step ---------- */
.ff-step-complete .ff-step-inner {
    text-align: center;
}

.ff-complete-icon svg {
    width: 48px;
    height: 48px;
    stroke: currentColor;
    fill: none;
}

.ff-complete-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--ff-primary-soft);
    color: var(--ff-primary);
    margin-bottom: 20px;
    animation: ffPulse 2s infinite;
}

@keyframes ffPulse {
    0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ff-primary) 20%, transparent); }
    50% { box-shadow: 0 0 0 15px transparent; }
}

.ff-complete-title {
    font-size: 28px;
    text-align: center;
}

.ff-complete-desc {
    color: var(--ff-text-muted);
    font-size: 16px;
    margin: 8px 0 24px;
}

/* ---------- Messages ---------- */
.ff-messages {
    margin: 20px 32px;
    padding: 16px 20px;
    border-radius: var(--ff-radius);
    font-size: 15px;
    line-height: 1.5;
    text-align: center;
}

.ff-messages.success {
    background: color-mix(in srgb, var(--ff-accent) 10%, var(--ff-bg));
    border: 1px solid color-mix(in srgb, var(--ff-accent) 25%, transparent);
    color: var(--ff-accent);
}

.ff-messages.error {
    background: color-mix(in srgb, var(--ff-error) 10%, var(--ff-bg));
    border: 1px solid color-mix(in srgb, var(--ff-error) 25%, transparent);
    color: var(--ff-error);
}

/* ---------- Responsive ---------- */
@media screen and (max-width: 640px) {
    .ff-step {
        padding: 24px 20px 40px;
    }

    .ff-step-label {
        font-size: 20px;
    }

    .ff-input {
        font-size: 18px;
    }

    .ff-nav {
        padding: 12px 20px;
    }

    .ff-progress {
        padding: 12px 20px;
    }

    .ff-option-card {
        padding: 12px 14px;
    }

    .ff-option-text {
        font-size: 14px;
    }

    .ff-nav-hint {
        display: none;
    }
}