/**
 * Frontend styles for Floating Promotional Image.
 *
 * Uses CSS custom properties for easy theming and customization.
 *
 * @package FloatingPromoImage
 * @since 1.0.0
 */

:root {
    --fpi-spacing: 20px;
    --fpi-z-index: 9999;
    --fpi-transition: 0.3s ease;
    --fpi-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --fpi-btn-size: 25px;
    --fpi-reopen-size: 35px;
    --fpi-btn-bg: #FEF3D9;
    --fpi-btn-hover-bg: #f5e6c4;
    --fpi-btn-color: #333;
}

/* Main container */
.fpi-floating-container {
    position: fixed;
    z-index: var(--fpi-z-index);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Position variants */
.fpi-position-bottom-right {
    bottom: var(--fpi-spacing);
    right: var(--fpi-spacing);
}

.fpi-position-bottom-left {
    bottom: var(--fpi-spacing);
    left: var(--fpi-spacing);
}

.fpi-position-top-right {
    top: var(--fpi-spacing);
    right: var(--fpi-spacing);
}

.fpi-position-top-left {
    top: var(--fpi-spacing);
    left: var(--fpi-spacing);
}

/* Image wrapper */
.fpi-image-wrapper {
    position: relative;
    max-width: 200px;
    border-radius: 8px;
    box-shadow: var(--fpi-shadow);
    overflow: visible;
    animation: fpiSlideIn 0.4s ease-out;
}

@keyframes fpiSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hidden state */
.fpi-image-wrapper.fpi-hidden {
    display: none;
}

/* Image link */
.fpi-image-link {
    display: block;
    text-decoration: none;
    line-height: 0;
}

.fpi-image-link:focus {
    outline: 3px solid #0073aa;
    outline-offset: 2px;
}

/* Image */
.fpi-image {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Close button */
.fpi-close-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: var(--fpi-btn-size);
    height: var(--fpi-btn-size);
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--fpi-btn-bg);
    color: var(--fpi-btn-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--fpi-transition), transform var(--fpi-transition);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.fpi-close-btn:hover,
.fpi-close-btn:focus {
    background: var(--fpi-btn-hover-bg);
    transform: scale(1.1);
}

.fpi-close-btn:focus {
    outline: 3px solid #0073aa;
    outline-offset: 2px;
}

.fpi-close-btn svg {
    width: 15px;
    height: 15px;
}

/* Reopen button */
.fpi-reopen-btn {
    width: var(--fpi-reopen-size);
    height: var(--fpi-reopen-size);
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--fpi-btn-bg);
    color: var(--fpi-btn-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--fpi-transition), transform var(--fpi-transition);
    box-shadow: var(--fpi-shadow);
    animation: fpiPulse 2s infinite;
}

@keyframes fpiPulse {
    0%, 100% {
        box-shadow: var(--fpi-shadow);
    }
    50% {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    }
}

.fpi-reopen-btn:hover,
.fpi-reopen-btn:focus {
    background: var(--fpi-btn-hover-bg);
    transform: scale(1.1);
    animation: none;
}

.fpi-reopen-btn:focus {
    outline: 3px solid #0073aa;
    outline-offset: 2px;
}

.fpi-reopen-btn svg {
    width: 24px;
    height: 24px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .fpi-image-wrapper,
    .fpi-close-btn,
    .fpi-reopen-btn {
        animation: none;
        transition: none;
    }
}

/* Mobile responsive adjustments */
@media (max-width: 480px) {
    :root {
        --fpi-spacing: 10px;
    }

    .fpi-image-wrapper {
        max-width: 200px;
    }

    .fpi-close-btn {
        top: -8px;
        right: -8px;
        width: 28px;
        height: 28px;
    }

    .fpi-close-btn svg {
        width: 16px;
        height: 16px;
    }

    .fpi-reopen-btn {
        width: 40px;
        height: 40px;
    }

    .fpi-reopen-btn svg {
        width: 20px;
        height: 20px;
    }
}