/* ============================================================================
   PulseTribe Skeleton Loading System - Glassmorphism Design
   CSS-only shimmer placeholders that match existing design system
   ============================================================================ */

/* Core Skeleton Styles - Inherit from existing design system */
.skeleton {
    background: var(--glass-bg, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--radius-md, 12px);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(30px);
}

/* Shimmer Animation - Glassmorphism style */
.skeleton::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(0, 240, 181, 0.08) 20%,
            rgba(255, 255, 255, 0.12) 50%,
            rgba(0, 240, 181, 0.08) 80%,
            transparent 100%);
    animation: shimmer 2s infinite ease-in-out;
    z-index: 1;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* Skeleton size variants */
.skeleton-xs {
    height: 1rem;
}

.skeleton-sm {
    height: 1.5rem;
}

.skeleton-md {
    height: 2rem;
}

.skeleton-lg {
    height: 3rem;
}

.skeleton-xl {
    height: 4rem;
}

/* Shape variants */
.skeleton-circle {
    border-radius: 50%;
    width: var(--size, 3rem);
    height: var(--size, 3rem);
}

.skeleton-rounded {
    border-radius: var(--radius-lg, 16px);
}

.skeleton-text {
    height: 1.2rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.skeleton-text:last-child {
    width: 60%;
}

/* ============================================================================
   Dashboard Specific Skeletons - Admin & User
   ============================================================================ */

/* Overview/Analytics Cards Skeleton */
.skeleton-overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.skeleton-overview-card {
    background: var(--admin-card-bg, rgba(20, 25, 75, 0.65));
    border: 1px solid var(--admin-card-border, rgba(255, 87, 34, 0.25));
    border-radius: var(--admin-radius-lg, 16px);
    padding: 2rem;
    height: 120px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skeleton-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255, 87, 34, 0.3), rgba(255, 152, 0, 0.3));
}

.skeleton-card-content {
    flex: 1;
}

.skeleton-card-title {
    height: 1rem;
    margin-bottom: 0.8rem;
    border-radius: 4px;
}

.skeleton-card-value {
    height: 2.2rem;
    margin-bottom: 0.5rem;
    border-radius: 6px;
}

.skeleton-card-label {
    height: 0.85rem;
    width: 70%;
    border-radius: 4px;
}

/* Analytics Charts Skeleton */
.skeleton-analytics-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.skeleton-analytics-card {
    background: var(--admin-card-bg, rgba(255, 255, 255, 0.1));
    border: 1px solid var(--admin-card-border, rgba(255, 255, 255, 0.2));
    border-radius: 12px;
    padding: 1.5rem;
    height: 200px;
}

.skeleton-chart-title {
    height: 1.1rem;
    margin-bottom: 1.5rem;
    width: 60%;
    border-radius: 4px;
}

.skeleton-chart-area {
    height: 140px;
    border-radius: 8px;
    background: linear-gradient(135deg,
            rgba(255, 87, 34, 0.05),
            rgba(255, 152, 0, 0.05));
}

/* Leaderboard Skeleton */
.skeleton-leaderboard-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.skeleton-leaderboard-card {
    background: var(--admin-card-bg, rgba(255, 255, 255, 0.08));
    border: 1px solid var(--admin-card-border, rgba(255, 255, 255, 0.15));
    border-radius: 12px;
    padding: 1.8rem;
    height: 250px;
}

.skeleton-leaderboard-title {
    height: 1.1rem;
    margin-bottom: 1.2rem;
    width: 50%;
    border-radius: 4px;
}

.skeleton-leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.skeleton-user-name {
    height: 0.95rem;
    width: 60%;
    border-radius: 4px;
}

.skeleton-user-stat {
    height: 0.9rem;
    width: 20%;
    border-radius: 4px;
}

/* ============================================================================
   Task Management Skeletons
   ============================================================================ */

/* Task Cards/List Skeleton */
.skeleton-task-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
}

.skeleton-task-card {
    background: var(--glass-bg, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--radius-md, 12px);
    padding: 1.5rem;
    min-height: 120px;
}

.skeleton-task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.skeleton-task-code {
    height: 1.2rem;
    width: 120px;
    border-radius: 4px;
}

.skeleton-task-status {
    height: 1.5rem;
    width: 80px;
    border-radius: 20px;
}

.skeleton-task-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.skeleton-task-field {
    height: 1rem;
    border-radius: 4px;
}

/* Task Table Skeleton - Desktop */
.skeleton-task-table {
    background: var(--glass-bg, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--radius-md, 12px);
    overflow: hidden;
}

.skeleton-table-header {
    background: var(--admin-card-bg, rgba(20, 25, 75, 0.8));
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 1rem;
}

.skeleton-table-header-cell {
    height: 1rem;
    border-radius: 4px;
}

.skeleton-table-row {
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 1rem;
    border-bottom: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
}

.skeleton-table-cell {
    height: 0.9rem;
    border-radius: 4px;
}

/* ============================================================================
   User Dashboard Skeletons
   ============================================================================ */

/* Earnings Widget Skeleton */
.skeleton-earnings-widget {
    background: var(--glass-bg, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--radius-lg, 16px);
    padding: 2rem;
    height: 200px;
}

.skeleton-earnings-title {
    height: 1.5rem;
    margin-bottom: 1rem;
    width: 60%;
    border-radius: 4px;
}

.skeleton-earnings-amount {
    height: 3rem;
    margin-bottom: 1rem;
    width: 80%;
    border-radius: 8px;
}

.skeleton-earnings-details {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.skeleton-earnings-stat {
    flex: 1;
    height: 2rem;
    border-radius: 6px;
}

/* Profile Skeleton */
.skeleton-profile-card {
    background: var(--glass-bg, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--radius-lg, 16px);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.skeleton-profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg,
            var(--pulse-primary, #00f0b5),
            var(--pulse-secondary, #00c6ff));
}

.skeleton-profile-info {
    flex: 1;
}

.skeleton-profile-name {
    height: 1.5rem;
    margin-bottom: 0.5rem;
    width: 200px;
    border-radius: 4px;
}

.skeleton-profile-email {
    height: 1rem;
    margin-bottom: 1rem;
    width: 250px;
    border-radius: 4px;
}

.skeleton-profile-stats {
    display: flex;
    gap: 2rem;
}

.skeleton-profile-stat {
    height: 2rem;
    width: 100px;
    border-radius: 6px;
}

/* ============================================================================
   Form Skeletons
   ============================================================================ */

.skeleton-form {
    background: var(--glass-bg, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--radius-md, 12px);
    padding: 2rem;
}

.skeleton-form-group {
    margin-bottom: 1.5rem;
}

.skeleton-form-label {
    height: 1rem;
    width: 120px;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.skeleton-form-input {
    height: 2.5rem;
    width: 100%;
    border-radius: 8px;
}

.skeleton-form-button {
    height: 2.5rem;
    width: 150px;
    border-radius: 8px;
    background: linear-gradient(135deg,
            rgba(0, 240, 181, 0.3),
            rgba(0, 198, 255, 0.3));
}

/* ============================================================================
   Responsive Skeleton Adjustments
   ============================================================================ */

@media (max-width: 768px) {

    .skeleton-overview-cards,
    .skeleton-analytics-cards,
    .skeleton-leaderboard-row {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .skeleton-overview-card,
    .skeleton-analytics-card,
    .skeleton-leaderboard-card {
        padding: 1.2rem;
    }

    .skeleton-profile-card {
        flex-direction: column;
        text-align: center;
    }

    .skeleton-profile-stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    /* Hide table skeleton on mobile, show card skeleton */
    .skeleton-task-table {
        display: none;
    }
}

@media (max-width: 480px) {
    .skeleton-overview-card {
        flex-direction: column;
        height: auto;
        min-height: 150px;
    }

    .skeleton-card-icon {
        width: 50px;
        height: 50px;
    }

    .skeleton-earnings-details {
        flex-direction: column;
    }
}

/* ============================================================================
   Skeleton Utility Classes
   ============================================================================ */

/* Loading state container */
.loading-state {
    opacity: 0.7;
    pointer-events: none;
}

/* Fade transition when content loads */
.skeleton-fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}

.content-fade-in {
    animation: fadeIn 0.3s ease-in forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        display: none;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Skeleton group containers */
.skeleton-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skeleton-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Performance optimization */
.skeleton,
.skeleton::before {
    will-change: transform, opacity;
}

/* Accessibility - Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .skeleton::before {
        animation: none;
    }

    .skeleton {
        background: var(--glass-bg, rgba(255, 255, 255, 0.08));
    }
}