/* ==========================================================================
   Vkusno Captcha — Slider Puzzle Styles (Education Theme, Modal Popup)
   ========================================================================== */

/* Anchor element is invisible in the form */
.vkusno-captcha-anchor {
    display: inline;
}

/* Body lock while modal is open */
.vkusno-captcha-body-lock {
    overflow: hidden !important;
}

/* --- Modal overlay --- */
.vkusno-captcha-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 20px;
    box-sizing: border-box;
    animation: vkusno-fadeIn 0.25s ease;
}

@keyframes vkusno-fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* --- Modal card --- */
.vkusno-captcha-modal {
    max-width: 360px;
    width: 100%;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    animation: vkusno-scaleIn 0.25s ease;
}

@keyframes vkusno-scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}

/* Header */
.vkusno-captcha-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: linear-gradient(135deg, #4A90D9, #357ABD);
    color: #fff;
}

.vkusno-captcha-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    flex: 1;
}

.vkusno-captcha-refresh,
.vkusno-captcha-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.3s;
    line-height: 1;
    padding: 0;
    flex-shrink: 0;
}

.vkusno-captcha-refresh:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: rotate(180deg);
}

.vkusno-captcha-close {
    font-size: 20px;
}

.vkusno-captcha-close:hover {
    background: rgba(255, 255, 255, 0.35);
}

/* Canvas area */
.vkusno-captcha-canvas-wrap {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    overflow: hidden;
    background: #e8edf2;
}

.vkusno-captcha-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
}

.vkusno-captcha-piece {
    position: absolute;
    left: 0;
    /* Scale piece proportionally: original 66px out of 180px height ≈ 37% */
    height: 37%;
    width: auto;
    pointer-events: none;
    z-index: 2;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
    transition: none;
}

/* Slider track */
.vkusno-captcha-slider-track {
    position: relative;
    height: 44px;
    margin: 12px 14px;
    background: #e8edf2;
    border-radius: 22px;
    overflow: hidden;
}

.vkusno-captcha-slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #4A90D9, #6DB3F2);
    border-radius: 22px 0 0 22px;
    pointer-events: none;
    transition: none;
}

.vkusno-captcha-slider-thumb {
    position: absolute;
    top: 2px;
    left: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #F5A623, #E8961C);
    border-radius: 50%;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    box-shadow: 0 2px 8px rgba(245, 166, 35, 0.4);
    transition: none;
    outline: none;
}

.vkusno-captcha-slider-thumb:focus-visible {
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.5), 0 2px 8px rgba(245, 166, 35, 0.4);
}

.vkusno-captcha-slider-thumb:active,
.vkusno-captcha--dragging .vkusno-captcha-slider-thumb {
    cursor: grabbing;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(245, 166, 35, 0.5);
}

.vkusno-captcha-slider-icon {
    color: #fff;
    font-size: 18px;
    line-height: 1;
    pointer-events: none;
}

.vkusno-captcha-slider-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    color: #8e9aab;
    pointer-events: none;
    white-space: nowrap;
}

/* Status messages */
.vkusno-captcha-status {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    min-height: 24px;
    padding: 0 14px 12px;
    transition: color 0.2s;
}

/* --- States --- */

/* Success */
.vkusno-captcha--success .vkusno-captcha-slider-fill {
    background: linear-gradient(90deg, #27AE60, #2ECC71);
}

.vkusno-captcha--success .vkusno-captcha-slider-thumb {
    background: #27AE60;
    box-shadow: 0 0 16px rgba(39, 174, 96, 0.5);
}

.vkusno-captcha--success .vkusno-captcha-status {
    color: #27AE60;
}

.vkusno-captcha--success .vkusno-captcha-canvas-wrap {
    box-shadow: inset 0 0 0 3px rgba(39, 174, 96, 0.3);
}

/* Error */
.vkusno-captcha--error {
    animation: vkusno-shake 0.4s ease;
}

.vkusno-captcha--error .vkusno-captcha-slider-fill {
    background: linear-gradient(90deg, #E74C3C, #C0392B);
}

.vkusno-captcha--error .vkusno-captcha-slider-thumb {
    background: #E74C3C;
}

.vkusno-captcha--error .vkusno-captcha-status {
    color: #E74C3C;
}

/* Loading */
.vkusno-captcha--loading {
    pointer-events: none;
    opacity: 0.6;
}

.vkusno-captcha--loading .vkusno-captcha-refresh {
    animation: vkusno-spin 0.6s linear infinite;
}

/* --- Animations --- */

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

@keyframes vkusno-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- Responsive --- */

@media (max-width: 480px) {
    .vkusno-captcha-overlay {
        padding: 12px;
    }

    .vkusno-captcha-modal {
        max-width: 100%;
        border-radius: 10px;
    }

    .vkusno-captcha-header {
        padding: 10px 12px;
    }

    .vkusno-captcha-title {
        font-size: 13px;
    }

    .vkusno-captcha-slider-track {
        margin: 10px 12px;
        height: 42px;
    }

    .vkusno-captcha-slider-thumb {
        width: 38px;
        height: 38px;
    }

    .vkusno-captcha-slider-hint {
        font-size: 11px;
    }
}

/* --- Submit button replacement --- */
.vkusno-captcha-hidden-btn {
    position: absolute !important;
    left: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
    overflow: hidden !important;
}

.vkusno-captcha-submit {
    cursor: pointer;
    background-color: #111013;
    color: white;
    border: 2px solid transparent;
    padding: 12px 12px;
    font-family: 'Golos', sans-serif;
    font-weight: 400;
    border-radius: 5px;
}

.vkusno-captcha-submit:hover {
    cursor: pointer;
    background-color: #ff4546;
    color: white;
    border: 2px solid transparent;
    padding: 12px 12px;
    font-family: 'Golos', sans-serif;
    font-weight: 400;
    border-radius: 5px;
}

.vkusno-captcha-submit-icon {
    font-size: 0.85em;
    margin-right: 2px;
}

/* Submit button loading/disabled state */
.vkusno-captcha-submit--loading {
    pointer-events: none;
    opacity: 0.7;
    cursor: not-allowed;
}

.vkusno-captcha-submit--loading:hover {
    background-color: #111013;
}

.vkusno-captcha-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: vkusno-spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 4px;
}

/* CF7 validation error styling override */
.vkusno-captcha-anchor .wpcf7-not-valid-tip {
    padding: 4px 0;
    font-size: 12px;
    color: #E74C3C;
}