/* Capty - Base Styles */

.capty {
    --capty-bg: #ffffff;
    --capty-border: #e2e8f0;
    --capty-text: #1a202c;
    --capty-accent: #3b82f6;
    --capty-success: #22c55e;
    --capty-error: #ef4444;
    --capty-muted: #94a3b8;
    --capty-radius: 12px;
    --capty-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);

    position: relative;
    display: inline-block;
    background: var(--capty-bg);
    border: 1px solid var(--capty-border);
    border-radius: var(--capty-radius);
    padding: 14px 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    font-size: 14px;
    color: var(--capty-text);
    box-sizing: border-box;
    max-width: 100%;
    box-shadow: var(--capty-shadow);
}

.capty *,
.capty *::before,
.capty *::after {
    box-sizing: border-box;
}

/* --- Challenge Area (Math & Distorted Text) --- */

.capty__challenge {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
}

.capty__math-image,
.capty__text-image {
    display: block;
    border-radius: 8px;
    border: 1px solid var(--capty-border);
    background: var(--capty-bg);
    flex-shrink: 0;
}

.capty__math-equals {
    font-size: 20px;
    font-weight: 700;
    color: var(--capty-text);
    flex-shrink: 0;
    line-height: 1;
}

.capty__math-input,
.capty__text-input {
    padding: 8px 12px;
    border: 2px solid var(--capty-border);
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--capty-text);
    background: var(--capty-bg);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 72px;
    text-align: center;
    letter-spacing: 1px;
}

.capty__math-input::placeholder,
.capty__text-input::placeholder {
    color: var(--capty-muted);
    font-weight: 400;
}

.capty__math-input:focus,
.capty__text-input:focus {
    border-color: var(--capty-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.capty__text-input {
    width: 140px;
    letter-spacing: 2px;
}

/* --- Puzzle Slider --- */

.capty__image-container {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--capty-border);
    user-select: none;
    -webkit-user-select: none;
}

.capty__bg-image {
    display: block;
}

.capty__piece-image {
    transition: none;
    cursor: grab;
}

.capty__slider-track {
    position: relative;
    height: 42px;
    background: var(--capty-border);
    border-radius: 21px;
    margin-top: 10px;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}

.capty__slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--capty-accent);
    border-radius: 21px;
    transition: background-color 0.3s;
}

.capty__slider-knob {
    position: absolute;
    top: 3px;
    left: 0;
    width: 36px;
    height: 36px;
    background: #fff;
    border: 2px solid var(--capty-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    z-index: 2;
    transition: box-shadow 0.2s;
    touch-action: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.capty__slider-knob:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.capty__slider-knob:active {
    cursor: grabbing;
}

.capty__slider-knob:focus {
    outline: 2px solid var(--capty-accent);
    outline-offset: 2px;
}

.capty__slider-icon {
    font-size: 16px;
    color: var(--capty-accent);
    pointer-events: none;
}

.capty__slider-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--capty-muted);
    font-size: 13px;
    font-weight: 500;
    pointer-events: none;
    white-space: nowrap;
    z-index: 1;
}

/* --- Refresh Button --- */

/* Default: absolute position (for puzzle slider) */
.capty__refresh {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--capty-muted);
    transition: background 0.2s, color 0.2s, transform 0.3s;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

.capty__refresh:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--capty-text);
    transform: rotate(90deg);
}

.capty__refresh:focus {
    outline: 2px solid var(--capty-accent);
    outline-offset: 2px;
}

/* For math & distorted text: refresh is inline in the challenge row */
.capty--math-challenge .capty__refresh,
.capty--distorted-text .capty__refresh {
    position: static;
    flex-shrink: 0;
}

/* --- Status --- */

.capty__status {
    margin-top: 8px;
    font-size: 13px;
    min-height: 20px;
    font-weight: 500;
}

.capty__status--success {
    color: var(--capty-success);
    font-weight: 600;
}

.capty__status--error {
    color: var(--capty-error);
}

/* --- Screen Reader --- */

.capty__sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- Success / Error States --- */

.capty--verified {
    border-color: var(--capty-success);
}

.capty--verified .capty__slider-fill {
    background: var(--capty-success);
}

.capty--verified .capty__slider-knob {
    border-color: var(--capty-success);
}

.capty--verified .capty__slider-icon {
    color: var(--capty-success);
}

.capty--error .capty__slider-fill {
    background: var(--capty-error);
}

@keyframes capty-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.capty--shake .capty__piece-image {
    animation: capty-shake 0.4s ease;
}

/* --- Compact Size --- */

.capty--compact {
    padding: 10px 12px;
    font-size: 12px;
}

.capty--compact .capty__challenge {
    gap: 8px;
    flex-wrap: nowrap;
}

.capty--compact .capty__math-image {
    border-radius: 6px;
}

.capty--compact .capty__math-equals {
    font-size: 16px;
}

.capty--compact .capty__math-input {
    padding: 6px 8px;
    font-size: 16px;
    width: 56px;
    border-radius: 6px;
}

.capty--compact .capty__text-input {
    padding: 6px 8px;
    font-size: 14px;
    width: 110px;
    border-radius: 6px;
}

.capty--compact .capty__slider-track {
    height: 34px;
    margin-top: 8px;
}

.capty--compact .capty__slider-knob {
    width: 28px;
    height: 28px;
    top: 3px;
}

.capty--compact .capty__slider-text {
    font-size: 11px;
}

.capty--compact .capty__refresh {
    width: 26px;
    height: 26px;
    font-size: 13px;
}

/* Puzzle slider compact: keep absolute positioning */
.capty--compact.capty--puzzle-slider .capty__refresh {
    top: 6px;
    right: 6px;
}

/* --- Responsive --- */

@media (max-width: 480px) {
    .capty {
        padding: 10px;
        display: block;
    }

    .capty__challenge {
        flex-wrap: wrap;
    }

    .capty--math-challenge .capty__challenge {
        flex-wrap: nowrap;
    }

    .capty__text-input {
        width: 100%;
    }

    .capty__image-container {
        width: 100%;
    }

    .capty__bg-image {
        width: 100%;
        height: auto;
    }

    .capty__slider-track {
        width: 100% !important;
    }
}

/* --- Loading --- */

.capty--loading {
    opacity: 0.5;
    pointer-events: none;
}

.capty--loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 28px;
    height: 28px;
    margin: -14px 0 0 -14px;
    border: 3px solid var(--capty-border);
    border-top-color: var(--capty-accent);
    border-radius: 50%;
    animation: capty-spin 0.6s linear infinite;
}

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