/**
 * Intervalens Page Loader - Frontend Styles
 */

/* CSS Variables (defaults, overridden by inline styles) */
:root {
    --ipl-bg-color: #BC323F;
    --ipl-spinner-color: #ffffff;
    --ipl-duration: 500ms;
}

/* Base loader styles */
.ipl-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    background-color: var(--ipl-bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition-property: opacity, transform, clip-path;
    transition-duration: var(--ipl-duration);
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.ipl-loader-content {
    text-align: center;
}

/* Hidden state */
.ipl-loader.ipl-hidden {
    display: none !important;
}

/* Custom logo */
.ipl-custom-logo {
    max-width: 200px;
    max-height: 100px;
    object-fit: contain;
    animation: ipl-logo-pulse 1.5s ease-in-out infinite;
}

@keyframes ipl-logo-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.95); }
}

/* ========================================
   SPINNER STYLES
   ======================================== */

/* Circle Spinner */
.ipl-spinner-circle .ipl-circle-spinner {
    display: block;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--ipl-spinner-color);
    border-radius: 50%;
    animation: ipl-spin 0.8s linear infinite;
}

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

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

.ipl-spinner-dots span {
    width: 12px;
    height: 12px;
    background-color: var(--ipl-spinner-color);
    border-radius: 50%;
    animation: ipl-bounce 1.4s ease-in-out infinite both;
}

.ipl-spinner-dots span:nth-child(1) { animation-delay: -0.32s; }
.ipl-spinner-dots span:nth-child(2) { animation-delay: -0.16s; }
.ipl-spinner-dots span:nth-child(3) { animation-delay: 0s; }

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

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

.ipl-spinner-bars span {
    width: 6px;
    height: 100%;
    background-color: var(--ipl-spinner-color);
    animation: ipl-bars 1.2s ease-in-out infinite;
}

.ipl-spinner-bars span:nth-child(1) { animation-delay: -1.2s; }
.ipl-spinner-bars span:nth-child(2) { animation-delay: -1.1s; }
.ipl-spinner-bars span:nth-child(3) { animation-delay: -1.0s; }
.ipl-spinner-bars span:nth-child(4) { animation-delay: -0.9s; }
.ipl-spinner-bars span:nth-child(5) { animation-delay: -0.8s; }

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

/* Pulse Spinner */
.ipl-spinner-pulse {
    position: relative;
    width: 60px;
    height: 60px;
}

.ipl-spinner-pulse .ipl-pulse-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid var(--ipl-spinner-color);
    border-radius: 50%;
    animation: ipl-pulse-ring 1.5s ease-out infinite;
}

.ipl-spinner-pulse .ipl-pulse-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    background-color: var(--ipl-spinner-color);
    border-radius: 50%;
    animation: ipl-pulse-core 1.5s ease-in-out infinite;
}

@keyframes ipl-pulse-ring {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(1.2); opacity: 0; }
}

@keyframes ipl-pulse-core {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(0.8); }
}

/* Cube Spinner */
.ipl-spinner-cube {
    perspective: 100px;
}

.ipl-spinner-cube .ipl-cube {
    display: block;
    width: 40px;
    height: 40px;
    background-color: var(--ipl-spinner-color);
    animation: ipl-cube 1.2s ease-in-out infinite;
}

@keyframes ipl-cube {
    0% { transform: rotateX(0) rotateY(0); }
    25% { transform: rotateX(180deg) rotateY(0); }
    50% { transform: rotateX(180deg) rotateY(180deg); }
    75% { transform: rotateX(0) rotateY(180deg); }
    100% { transform: rotateX(0) rotateY(360deg); }
}

/* ========================================
   ANIMATION TYPES - HIDING STATE
   ======================================== */

/* Fade Out */
.ipl-animation-fade.ipl-hiding {
    opacity: 0;
}

/* Slide Up */
.ipl-animation-slide-up.ipl-hiding {
    transform: translateY(-100%);
}

/* Slide Down */
.ipl-animation-slide-down.ipl-hiding {
    transform: translateY(100%);
}

/* Slide Left */
.ipl-animation-slide-left.ipl-hiding {
    transform: translateX(-100%);
}

/* Slide Right */
.ipl-animation-slide-right.ipl-hiding {
    transform: translateX(100%);
}

/* Zoom Out */
.ipl-animation-zoom-out.ipl-hiding {
    transform: scale(2);
    opacity: 0;
}

/* Zoom In */
.ipl-animation-zoom-in.ipl-hiding {
    transform: scale(0);
    opacity: 0;
}

/* Split Horizontal */
.ipl-animation-split-h {
    background: transparent;
}

.ipl-animation-split-h::before,
.ipl-animation-split-h::after {
    content: '';
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background-color: var(--ipl-bg-color);
    transition: transform var(--ipl-duration) cubic-bezier(0.4, 0, 0.2, 1);
}

.ipl-animation-split-h::before {
    left: 0;
}

.ipl-animation-split-h::after {
    right: 0;
}

.ipl-animation-split-h.ipl-hiding::before {
    transform: translateX(-100%);
}

.ipl-animation-split-h.ipl-hiding::after {
    transform: translateX(100%);
}

.ipl-animation-split-h.ipl-hiding .ipl-loader-content {
    opacity: 0;
    transition: opacity calc(var(--ipl-duration) * 0.3);
}

/* Split Vertical */
.ipl-animation-split-v {
    background: transparent;
}

.ipl-animation-split-v::before,
.ipl-animation-split-v::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: var(--ipl-bg-color);
    transition: transform var(--ipl-duration) cubic-bezier(0.4, 0, 0.2, 1);
}

.ipl-animation-split-v::before {
    top: 0;
}

.ipl-animation-split-v::after {
    bottom: 0;
}

.ipl-animation-split-v.ipl-hiding::before {
    transform: translateY(-100%);
}

.ipl-animation-split-v.ipl-hiding::after {
    transform: translateY(100%);
}

.ipl-animation-split-v.ipl-hiding .ipl-loader-content {
    opacity: 0;
    transition: opacity calc(var(--ipl-duration) * 0.3);
}

/* Curtain Reveal */
.ipl-animation-curtain.ipl-hiding {
    clip-path: inset(0 50% 0 50%);
}

.ipl-animation-curtain {
    clip-path: inset(0 0 0 0);
}

/* Circle Wipe */
.ipl-animation-circle-wipe {
    clip-path: circle(150% at 50% 50%);
}

.ipl-animation-circle-wipe.ipl-hiding {
    clip-path: circle(0% at 50% 50%);
}

/* Blur Out */
.ipl-animation-blur.ipl-hiding {
    opacity: 0;
    filter: blur(20px);
}

.ipl-animation-blur {
    filter: blur(0);
    transition-property: opacity, filter;
}

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

@media (prefers-reduced-motion: reduce) {
    .ipl-loader,
    .ipl-loader * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Hide loader content from screen readers */
.ipl-loader[aria-hidden="true"] {
    pointer-events: none;
}