/* Segmented Ring Loader - Global Page Loader */
/* This file provides a non-intrusive page loading animation */

/* Loader Container - Full Screen Overlay */
#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(5px);
}

/* Dark mode support */
.dark #page-loader {
    background-color: rgba(17, 24, 39, 0.95);
}

/* Hidden state */
#page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Loader Animation Container */
.segmented-ring-loader {
    width: 120px;
    height: 120px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Individual Ring Segments */
.ring-segment {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 6px solid transparent;
}

/* Segment 1 - Dark Green (Top) */
.ring-segment:nth-child(1) {
    border-top-color: #166534;
    animation: rotate-segment-1 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    animation-delay: 0s;
}

/* Segment 2 - Green (Right Top) */
.ring-segment:nth-child(2) {
    border-right-color: #16A34A;
    animation: rotate-segment-2 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    animation-delay: 0.1s;
}

/* Segment 3 - Light Green (Right) */
.ring-segment:nth-child(3) {
    border-right-color: #22C55E;
    animation: rotate-segment-3 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    animation-delay: 0.2s;
}

/* Segment 4 - Lighter Green (Bottom Right) */
.ring-segment:nth-child(4) {
    border-bottom-color: #4ADE80;
    animation: rotate-segment-4 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    animation-delay: 0.3s;
}

/* Segment 5 - Cream (Bottom) */
.ring-segment:nth-child(5) {
    border-bottom-color: #FEF3C7;
    animation: rotate-segment-5 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    animation-delay: 0.4s;
}

/* Segment 6 - Dark Cream/Beige (Left Bottom) */
.ring-segment:nth-child(6) {
    border-left-color: #FDE68A;
    animation: rotate-segment-6 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    animation-delay: 0.5s;
}

/* Segment 7 - Light Cream (Left) */
.ring-segment:nth-child(7) {
    border-left-color: #FEF9E7;
    animation: rotate-segment-7 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    animation-delay: 0.6s;
}

/* Segment 8 - Pale Green (Top Left) */
.ring-segment:nth-child(8) {
    border-top-color: #86EFAC;
    animation: rotate-segment-8 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    animation-delay: 0.7s;
}

/* Rotation Animations for Each Segment */
@keyframes rotate-segment-1 {
    0% { transform: rotate(0deg); opacity: 1; }
    50% { transform: rotate(180deg); opacity: 0.3; }
    100% { transform: rotate(360deg); opacity: 1; }
}

@keyframes rotate-segment-2 {
    0% { transform: rotate(45deg); opacity: 1; }
    50% { transform: rotate(225deg); opacity: 0.3; }
    100% { transform: rotate(405deg); opacity: 1; }
}

@keyframes rotate-segment-3 {
    0% { transform: rotate(90deg); opacity: 1; }
    50% { transform: rotate(270deg); opacity: 0.3; }
    100% { transform: rotate(450deg); opacity: 1; }
}

@keyframes rotate-segment-4 {
    0% { transform: rotate(135deg); opacity: 1; }
    50% { transform: rotate(315deg); opacity: 0.3; }
    100% { transform: rotate(495deg); opacity: 1; }
}

@keyframes rotate-segment-5 {
    0% { transform: rotate(180deg); opacity: 1; }
    50% { transform: rotate(360deg); opacity: 0.3; }
    100% { transform: rotate(540deg); opacity: 1; }
}

@keyframes rotate-segment-6 {
    0% { transform: rotate(225deg); opacity: 1; }
    50% { transform: rotate(405deg); opacity: 0.3; }
    100% { transform: rotate(585deg); opacity: 1; }
}

@keyframes rotate-segment-7 {
    0% { transform: rotate(270deg); opacity: 1; }
    50% { transform: rotate(450deg); opacity: 0.3; }
    100% { transform: rotate(630deg); opacity: 1; }
}

@keyframes rotate-segment-8 {
    0% { transform: rotate(315deg); opacity: 1; }
    50% { transform: rotate(495deg); opacity: 0.3; }
    100% { transform: rotate(675deg); opacity: 1; }
}

/* Loading Text */
.loader-text {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    font-weight: 600;
    color: #6B7280;
    white-space: nowrap;
    animation: pulse-text 1.5s ease-in-out infinite;
}

.dark .loader-text {
    color: #9CA3AF;
}

@keyframes pulse-text {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Loading Dots Animation */
.loader-text::after {
    content: '';
    animation: loading-dots 1.5s steps(4, end) infinite;
}

@keyframes loading-dots {
    0% { content: ''; }
    25% { content: '.'; }
    50% { content: '..'; }
    75% { content: '...'; }
    100% { content: ''; }
}

/* Responsive Design */
@media (max-width: 640px) {
    .segmented-ring-loader {
        width: 80px;
        height: 80px;
    }
    
    .ring-segment {
        border-width: 4px;
    }
    
    .loader-text {
        font-size: 12px;
        bottom: -40px;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .ring-segment {
        animation-duration: 3s;
    }
    
    .loader-text {
        animation: none;
        opacity: 1;
    }
}

/* Performance optimizations */
#page-loader,
.segmented-ring-loader,
.ring-segment {
    will-change: transform, opacity;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    perspective: 1000px;
}