/**
 * Kuzmack Suites Loading Spinner Styles
 *
 * Multiple spinner variants for different use cases:
 * - Button spinner (inline)
 * - Full-page overlay spinner
 * - Card/section spinner
 * - Small inline spinner
 */

/* ========== Base Spinner ========== */

.spinner {
    display: inline-block;
    position: relative;
}

/* ========== Spinner Variants ========== */

/* Circle Spinner (Default) */
.spinner-circle {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--color-primary, #2563eb);
    border-radius: 50%;
    animation: spinner-rotate 1s linear infinite;
}

/* Dots Spinner */
.spinner-dots {
    display: inline-flex;
    gap: 8px;
}

.spinner-dots span {
    width: 12px;
    height: 12px;
    background-color: var(--color-primary, #2563eb);
    border-radius: 50%;
    animation: spinner-dots 1.4s ease-in-out infinite;
}

.spinner-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.spinner-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

.spinner-dots span:nth-child(3) {
    animation-delay: 0s;
}

/* Pulse Spinner */
.spinner-pulse {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary, #2563eb);
    border-radius: 50%;
    animation: spinner-pulse 1.2s ease-in-out infinite;
}

/* Bars Spinner */
.spinner-bars {
    display: inline-flex;
    gap: 4px;
    align-items: center;
    height: 40px;
}

.spinner-bars span {
    width: 6px;
    height: 100%;
    background-color: var(--color-primary, #2563eb);
    border-radius: 3px;
    animation: spinner-bars 1.2s ease-in-out infinite;
}

.spinner-bars span:nth-child(1) {
    animation-delay: -0.4s;
}

.spinner-bars span:nth-child(2) {
    animation-delay: -0.3s;
}

.spinner-bars span:nth-child(3) {
    animation-delay: -0.2s;
}

.spinner-bars span:nth-child(4) {
    animation-delay: -0.1s;
}

/* ========== Size Variants ========== */

.spinner-sm {
    transform: scale(0.5);
}

.spinner-md {
    transform: scale(0.75);
}

.spinner-lg {
    transform: scale(1.5);
}

.spinner-xl {
    transform: scale(2);
}

/* ========== Color Variants ========== */

.spinner-primary .spinner-circle {
    border-left-color: var(--color-primary, #2563eb);
}

.spinner-primary .spinner-dots span,
.spinner-primary .spinner-pulse,
.spinner-primary .spinner-bars span {
    background-color: var(--color-primary, #2563eb);
}

.spinner-secondary .spinner-circle {
    border-left-color: var(--color-brown, #8b5a3c);
}

.spinner-secondary .spinner-dots span,
.spinner-secondary .spinner-pulse,
.spinner-secondary .spinner-bars span {
    background-color: var(--color-brown, #8b5a3c);
}

.spinner-light .spinner-circle {
    border-left-color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
}

.spinner-light .spinner-dots span,
.spinner-light .spinner-pulse,
.spinner-light .spinner-bars span {
    background-color: #ffffff;
}

/* ========== Button Spinner ========== */

.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading .btn-text {
    visibility: hidden;
}

.btn-loading .btn-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: inline-block;
}

.btn-spinner .spinner-circle {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* ========== Full Page Spinner Overlay ========== */

.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.spinner-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.spinner-overlay .spinner {
    margin-bottom: 20px;
}

.spinner-overlay .spinner-message {
    font-size: 16px;
    color: #1f2937;
    margin-top: 16px;
    font-weight: 500;
}

/* Dark overlay variant */
.spinner-overlay.spinner-overlay-dark {
    background-color: rgba(15, 48, 68, 0.95);
}

.spinner-overlay.spinner-overlay-dark .spinner-message {
    color: var(--color-cream, #e8dcc4);
}

/* ========== Card/Section Spinner ========== */

.spinner-container {
    position: relative;
    min-height: 200px;
}

.spinner-container .spinner-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.spinner-container.loading .spinner-wrapper {
    opacity: 1;
    pointer-events: all;
}

/* ========== Inline Spinner ========== */

.spinner-inline {
    display: inline-block;
    vertical-align: middle;
    margin: 0 8px;
}

/* ========== Animations ========== */

@keyframes spinner-rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes spinner-dots {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes spinner-pulse {
    0%, 100% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes spinner-bars {
    0%, 40%, 100% {
        transform: scaleY(0.4);
    }
    20% {
        transform: scaleY(1);
    }
}

/* ========== Accessibility ========== */

.spinner[aria-label],
.spinner-overlay[aria-label] {
    /* Screen readers will announce the label */
}

/* ========== Reduced Motion ========== */

@media (prefers-reduced-motion: reduce) {
    .spinner-circle,
    .spinner-dots span,
    .spinner-pulse,
    .spinner-bars span {
        animation-duration: 3s;
    }
}

/* ========== Dark Mode Support ========== */

@media (prefers-color-scheme: dark) {
    .spinner-overlay {
        background-color: rgba(31, 41, 55, 0.95);
    }

    .spinner-overlay .spinner-message {
        color: #f3f4f6;
    }

    .spinner-container .spinner-wrapper {
        background-color: rgba(31, 41, 55, 0.9);
    }
}

/* ========== Helper Classes ========== */

.spinner-center {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.spinner-absolute-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Spinner with text */
.spinner-with-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.spinner-text {
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
}