/**
 * HRBypass Booking - SVG Loaders
 *
 * Pure CSS and SVG-based loading animations for the booking system
 * Includes spinner, pulse, dots, and progress bar loaders
 *
 * @package HRBypassBooking
 * @since 1.0.0
 */

/* =============================================================================
   BASE LOADER STYLES
   ============================================================================= */

/* SVG Loader Container */
.hrbypass-svg-loader {
    display: inline-block;
    line-height: 0;
    vertical-align: middle;
}

.hrbypass-svg-loader svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Loader Container with Text */
.hrbypass-loader-container {
    text-align: center;
    padding: 20px;
}

.hrbypass-loader-container .hrbypass-loader-text {
    margin-top: 10px;
    color: var(--hrbypass-gray-600, #6c757d);
    font-size: 14px;
    font-family: var(--hrbypass-font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
}

/* =============================================================================
   SIMPLE SPINNER (CSS)
   ============================================================================= */

.hrbypass-loader {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(23, 162, 184, 0.2);
    border-top-color: #17a2b8;
    border-radius: 50%;
    animation: hrbypass-spin 0.8s linear infinite;
    margin: 0 auto;
}

/* Dual-ring spinner */
.hrbypass-loader-dual {
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-top-color: #17a2b8;
    border-bottom-color: #17a2b8;
    border-radius: 50%;
    animation: hrbypass-spin 1s ease-in-out infinite;
}

/* Bouncing dots */
.hrbypass-loader-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.hrbypass-loader-dots span {
    width: 10px;
    height: 10px;
    background-color: #17a2b8;
    border-radius: 50%;
    animation: hrbypass-bounce 1.4s infinite ease-in-out both;
}

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

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

/* Pulse loader */
.hrbypass-loader-pulse {
    width: 40px;
    height: 40px;
    background-color: #17a2b8;
    border-radius: 50%;
    animation: hrbypass-pulse 1.2s ease-in-out infinite;
}

/* Progress bar loader */
.hrbypass-loader-progress {
    width: 200px;
    height: 4px;
    background: rgba(23, 162, 184, 0.2);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.hrbypass-loader-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 100%;
    background: #17a2b8;
    border-radius: 4px;
    animation: hrbypass-progress 1.5s ease-in-out infinite;
}

/* =============================================================================
   ANIMATIONS
   ============================================================================= */

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

@keyframes hrbypass-bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes hrbypass-pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
}

@keyframes hrbypass-progress {
    0% {
        left: -40%;
    }
    100% {
        left: 100%;
    }
}

/* =============================================================================
   SIZE VARIANTS
   ============================================================================= */

.hrbypass-loader-sm,
.hrbypass-loader-sm.hrbypass-loader,
.hrbypass-loader-sm.hrbypass-loader-dual {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.hrbypass-loader-sm.hrbypass-loader-pulse {
    width: 20px;
    height: 20px;
}

.hrbypass-loader-sm.hrbypass-loader-dots span {
    width: 6px;
    height: 6px;
}

.hrbypass-loader-sm.hrbypass-loader-progress {
    width: 120px;
    height: 3px;
}

.hrbypass-loader-md,
.hrbypass-loader-md.hrbypass-loader,
.hrbypass-loader-md.hrbypass-loader-dual {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

.hrbypass-loader-md.hrbypass-loader-pulse {
    width: 40px;
    height: 40px;
}

.hrbypass-loader-md.hrbypass-loader-progress {
    width: 200px;
    height: 4px;
}

.hrbypass-loader-lg,
.hrbypass-loader-lg.hrbypass-loader,
.hrbypass-loader-lg.hrbypass-loader-dual {
    width: 60px;
    height: 60px;
    border-width: 4px;
}

.hrbypass-loader-lg.hrbypass-loader-pulse {
    width: 60px;
    height: 60px;
}

.hrbypass-loader-lg.hrbypass-loader-dots span {
    width: 14px;
    height: 14px;
}

.hrbypass-loader-lg.hrbypass-loader-progress {
    width: 280px;
    height: 6px;
}

.hrbypass-loader-xl,
.hrbypass-loader-xl.hrbypass-loader,
.hrbypass-loader-xl.hrbypass-loader-dual {
    width: 80px;
    height: 80px;
    border-width: 5px;
}

.hrbypass-loader-xl.hrbypass-loader-pulse {
    width: 80px;
    height: 80px;
}

.hrbypass-loader-xl.hrbypass-loader-dots span {
    width: 18px;
    height: 18px;
    gap: 12px;
}

.hrbypass-loader-xl.hrbypass-loader-progress {
    width: 360px;
    height: 8px;
}

/* =============================================================================
   COLOR VARIANTS
   ============================================================================= */

/* Primary (default) */
.hrbypass-loader-primary,
.hrbypass-loader-primary.hrbypass-loader,
.hrbypass-loader-primary.hrbypass-loader-dual {
    border-top-color: #17a2b8;
    border-bottom-color: #17a2b8;
}

.hrbypass-loader-primary.hrbypass-loader-pulse {
    background-color: #17a2b8;
}

.hrbypass-loader-primary.hrbypass-loader-dots span {
    background-color: #17a2b8;
}

.hrbypass-loader-primary.hrbypass-loader-progress {
    background: rgba(23, 162, 184, 0.2);
}

.hrbypass-loader-primary.hrbypass-loader-progress::after {
    background: #17a2b8;
}

/* Success */
.hrbypass-loader-success,
.hrbypass-loader-success.hrbypass-loader,
.hrbypass-loader-success.hrbypass-loader-dual {
    border-top-color: #28a745;
    border-bottom-color: #28a745;
}

.hrbypass-loader-success.hrbypass-loader-pulse {
    background-color: #28a745;
}

.hrbypass-loader-success.hrbypass-loader-dots span {
    background-color: #28a745;
}

.hrbypass-loader-success.hrbypass-loader-progress {
    background: rgba(40, 167, 69, 0.2);
}

.hrbypass-loader-success.hrbypass-loader-progress::after {
    background: #28a745;
}

/* Warning */
.hrbypass-loader-warning,
.hrbypass-loader-warning.hrbypass-loader,
.hrbypass-loader-warning.hrbypass-loader-dual {
    border-top-color: #ffc107;
    border-bottom-color: #ffc107;
}

.hrbypass-loader-warning.hrbypass-loader-pulse {
    background-color: #ffc107;
}

.hrbypass-loader-warning.hrbypass-loader-dots span {
    background-color: #ffc107;
}

.hrbypass-loader-warning.hrbypass-loader-progress {
    background: rgba(255, 193, 7, 0.2);
}

.hrbypass-loader-warning.hrbypass-loader-progress::after {
    background: #ffc107;
}

/* Danger / Error */
.hrbypass-loader-danger,
.hrbypass-loader-danger.hrbypass-loader,
.hrbypass-loader-danger.hrbypass-loader-dual {
    border-top-color: #dc3545;
    border-bottom-color: #dc3545;
}

.hrbypass-loader-danger.hrbypass-loader-pulse {
    background-color: #dc3545;
}

.hrbypass-loader-danger.hrbypass-loader-dots span {
    background-color: #dc3545;
}

.hrbypass-loader-danger.hrbypass-loader-progress {
    background: rgba(220, 53, 69, 0.2);
}

.hrbypass-loader-danger.hrbypass-loader-progress::after {
    background: #dc3545;
}

/* Info */
.hrbypass-loader-info,
.hrbypass-loader-info.hrbypass-loader,
.hrbypass-loader-info.hrbypass-loader-dual {
    border-top-color: #17a2b8;
    border-bottom-color: #17a2b8;
}

.hrbypass-loader-info.hrbypass-loader-pulse {
    background-color: #17a2b8;
}

.hrbypass-loader-info.hrbypass-loader-dots span {
    background-color: #17a2b8;
}

.hrbypass-loader-info.hrbypass-loader-progress {
    background: rgba(23, 162, 184, 0.2);
}

.hrbypass-loader-info.hrbypass-loader-progress::after {
    background: #17a2b8;
}

/* Light */
.hrbypass-loader-light,
.hrbypass-loader-light.hrbypass-loader,
.hrbypass-loader-light.hrbypass-loader-dual {
    border-top-color: #f8f9fa;
    border-bottom-color: #f8f9fa;
    opacity: 0.9;
}

.hrbypass-loader-light.hrbypass-loader-pulse {
    background-color: #f8f9fa;
}

.hrbypass-loader-light.hrbypass-loader-dots span {
    background-color: #f8f9fa;
}

.hrbypass-loader-light.hrbypass-loader-progress {
    background: rgba(248, 249, 250, 0.2);
}

.hrbypass-loader-light.hrbypass-loader-progress::after {
    background: #f8f9fa;
}

/* Dark */
.hrbypass-loader-dark,
.hrbypass-loader-dark.hrbypass-loader,
.hrbypass-loader-dark.hrbypass-loader-dual {
    border-top-color: #343a40;
    border-bottom-color: #343a40;
}

.hrbypass-loader-dark.hrbypass-loader-pulse {
    background-color: #343a40;
}

.hrbypass-loader-dark.hrbypass-loader-dots span {
    background-color: #343a40;
}

.hrbypass-loader-dark.hrbypass-loader-progress {
    background: rgba(52, 58, 64, 0.2);
}

.hrbypass-loader-dark.hrbypass-loader-progress::after {
    background: #343a40;
}

/* Muted */
.hrbypass-loader-muted,
.hrbypass-loader-muted.hrbypass-loader,
.hrbypass-loader-muted.hrbypass-loader-dual {
    border-top-color: #6c757d;
    border-bottom-color: #6c757d;
}

.hrbypass-loader-muted.hrbypass-loader-pulse {
    background-color: #6c757d;
}

.hrbypass-loader-muted.hrbypass-loader-dots span {
    background-color: #6c757d;
}

.hrbypass-loader-muted.hrbypass-loader-progress {
    background: rgba(108, 117, 125, 0.2);
}

.hrbypass-loader-muted.hrbypass-loader-progress::after {
    background: #6c757d;
}

/* =============================================================================
   SVG LOADER OVERRIDES
   ============================================================================= */

/* Spinner SVG */
.hrbypass-spinner-loader svg circle {
    stroke: currentColor;
}

.hrbypass-spinner-loader.hrbypass-loader-primary svg circle {
    stroke: #17a2b8;
}

.hrbypass-spinner-loader.hrbypass-loader-success svg circle {
    stroke: #28a745;
}

.hrbypass-spinner-loader.hrbypass-loader-warning svg circle {
    stroke: #ffc107;
}

.hrbypass-spinner-loader.hrbypass-loader-danger svg circle {
    stroke: #dc3545;
}

/* Pulse Loader SVG */
.hrbypass-pulse-loader svg circle {
    fill: currentColor;
    transform-origin: center;
}

.hrbypass-pulse-loader svg circle {
    animation: hrbypass-pulse 1.2s ease-in-out infinite;
}

/* Dots Loader SVG */
.hrbypass-dots-loader svg circle {
    fill: currentColor;
    transform-origin: center;
}

.hrbypass-dots-loader svg circle:nth-child(1) {
    animation: hrbypass-bounce 1.4s infinite ease-in-out both;
    animation-delay: -0.32s;
}

.hrbypass-dots-loader svg circle:nth-child(2) {
    animation: hrbypass-bounce 1.4s infinite ease-in-out both;
    animation-delay: -0.16s;
}

.hrbypass-dots-loader svg circle:nth-child(3) {
    animation: hrbypass-bounce 1.4s infinite ease-in-out both;
}

/* =============================================================================
   FULLSCREEN LOADER
   ============================================================================= */

.hrbypass-loader-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    backdrop-filter: blur(3px);
}

.hrbypass-loader-fullscreen .hrbypass-loader-container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    min-width: 200px;
}

.hrbypass-loader-fullscreen .hrbypass-loader-text {
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

/* =============================================================================
   INLINE LOADER (for buttons, small areas)
   ============================================================================= */

.hrbypass-loader-inline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    vertical-align: middle;
}

.hrbypass-loader-inline .hrbypass-loader,
.hrbypass-loader-inline .hrbypass-svg-loader {
    width: 16px;
    height: 16px;
    border-width: 2px;
    margin: 0;
}

/* =============================================================================
   BUTTON LOADING STATE
   ============================================================================= */

.hrbypass-btn.hrbypass-btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.hrbypass-btn.hrbypass-btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: hrbypass-spin 0.8s linear infinite;
}

.hrbypass-btn-primary.hrbypass-btn-loading::after {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
}

.hrbypass-btn-outline-primary.hrbypass-btn-loading::after {
    border: 2px solid rgba(23, 162, 184, 0.3);
    border-top-color: #17a2b8;
}

/* =============================================================================
   LOADER COMBINATIONS
   ============================================================================= */

/* Size + Color combinations */
.hrbypass-loader-sm.hrbypass-loader-success {
    border-top-color: #28a745;
    border-bottom-color: #28a745;
}

.hrbypass-loader-sm.hrbypass-loader-pulse.hrbypass-loader-success {
    background-color: #28a745;
}

.hrbypass-loader-sm.hrbypass-loader-dots.hrbypass-loader-success span {
    background-color: #28a745;
}

.hrbypass-loader-md.hrbypass-loader-warning {
    border-top-color: #ffc107;
    border-bottom-color: #ffc107;
}

.hrbypass-loader-lg.hrbypass-loader-danger {
    border-top-color: #dc3545;
    border-bottom-color: #dc3545;
}

/* =============================================================================
   LOADER POSITIONING
   ============================================================================= */

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

.hrbypass-loader-top {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.hrbypass-loader-bottom {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

/* =============================================================================
   LOADER OVERLAY
   ============================================================================= */

.hrbypass-loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: blur(2px);
    border-radius: inherit;
}

/* =============================================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================================= */

@media (max-width: 768px) {
    .hrbypass-loader-fullscreen .hrbypass-loader-container {
        padding: 20px;
        min-width: 160px;
    }
    
    .hrbypass-loader-fullscreen .hrbypass-loader-text {
        font-size: 14px;
    }
    
    .hrbypass-loader-xl {
        width: 60px;
        height: 60px;
    }
    
    .hrbypass-loader-xl.hrbypass-loader-progress {
        width: 280px;
    }
}

@media (max-width: 576px) {
    .hrbypass-loader-progress {
        width: 100%;
        max-width: 280px;
    }
    
    .hrbypass-loader-xl.hrbypass-loader-progress {
        width: 100%;
        max-width: 280px;
    }
}

/* =============================================================================
   RTL SUPPORT
   ============================================================================= */

body.rtl .hrbypass-loader-progress::after {
    left: auto;
    right: 0;
    animation: hrbypass-progress-rtl 1.5s ease-in-out infinite;
}

@keyframes hrbypass-progress-rtl {
    0% {
        right: -40%;
    }
    100% {
        right: 100%;
    }
}

/* =============================================================================
   PRINT STYLES
   ============================================================================= */

@media print {
    .hrbypass-loader,
    .hrbypass-loader-dual,
    .hrbypass-loader-dots,
    .hrbypass-loader-pulse,
    .hrbypass-loader-progress,
    .hrbypass-svg-loader {
        display: none !important;
    }
}

/* =============================================================================
   ACCESSIBILITY
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
    .hrbypass-loader,
    .hrbypass-loader-dual,
    .hrbypass-loader-dots span,
    .hrbypass-loader-pulse,
    .hrbypass-loader-progress::after,
    .hrbypass-svg-loader *,
    .hrbypass-btn-loading::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}