/* Loading States & Skeleton Screens - Premium Edition */
/* Midnight Drafting Room Aesthetic */

/* Skeleton Base Styles */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(30, 41, 59, 0.4) 0%,
        rgba(51, 65, 85, 0.6) 20%,
        rgba(30, 41, 59, 0.4) 40%,
        rgba(30, 41, 59, 0.4) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 2s ease-in-out infinite;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(125, 211, 252, 0.08) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    animation: skeleton-sweep 2.5s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes skeleton-sweep {
    0% { transform: translateX(-100%); }
    50%, 100% { transform: translateX(100%); }
}

/* League Card Skeleton */
.league-card-skeleton {
    background: rgba(30, 38, 54, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid rgba(125, 211, 252, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    animation: fade-in-up 0.6s ease-out;
}

.league-card-skeleton:nth-child(2) { animation-delay: 0.1s; }
.league-card-skeleton:nth-child(3) { animation-delay: 0.2s; }
.league-card-skeleton:nth-child(4) { animation-delay: 0.3s; }

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skeleton-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.skeleton-title {
    height: 28px;
    width: 60%;
    max-width: 300px;
}

.skeleton-badge {
    height: 24px;
    width: 80px;
    border-radius: 12px;
}

.skeleton-table-row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    align-items: center;
}

.skeleton-table-row .skeleton-cell {
    height: 18px;
    border-radius: 6px;
}

.skeleton-table-row .skeleton-cell:nth-child(1) { width: 10%; min-width: 40px; }
.skeleton-table-row .skeleton-cell:nth-child(2) { width: 40%; flex-grow: 1; }
.skeleton-table-row .skeleton-cell:nth-child(3) { width: 15%; min-width: 50px; }
.skeleton-table-row .skeleton-cell:nth-child(4) { width: 15%; min-width: 50px; }

/* Loading Spinner - Premium Version */
.loading-spinner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 40px;
    animation: fade-in 0.4s ease-out;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.loading-spinner {
    width: 64px;
    height: 64px;
    position: relative;
    margin-bottom: 24px;
}

.loading-spinner::before,
.loading-spinner::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    animation: loading-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.loading-spinner::before {
    width: 64px;
    height: 64px;
    border: 4px solid rgba(14, 165, 233, 0.3);
    border-top-color: #0ea5e9;
    animation: loading-spin 1.5s linear infinite;
}

.loading-spinner::after {
    width: 48px;
    height: 48px;
    top: 8px;
    left: 8px;
    border: 4px solid rgba(125, 211, 252, 0.3);
    border-top-color: #7dd3fc;
    animation: loading-spin 1s linear infinite reverse;
}

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

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

.loading-text {
    color: #94a3b8;
    font-size: 1.1em;
    font-weight: 500;
    text-align: center;
    animation: loading-fade 2s ease-in-out infinite;
    letter-spacing: 0.5px;
}

@keyframes loading-fade {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading-subtext {
    color: #64748b;
    font-size: 0.9em;
    margin-top: 8px;
    text-align: center;
}

/* Progress Bar Loading */
.progress-loading-container {
    width: 100%;
    max-width: 500px;
    margin: 40px auto;
    padding: 24px;
    background: rgba(30, 38, 54, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(125, 211, 252, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.progress-bar-bg {
    height: 8px;
    background: rgba(15, 23, 42, 0.9);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #0ea5e9 0%, #7dd3fc 50%, #0ea5e9 100%);
    background-size: 200% 100%;
    border-radius: 8px;
    box-shadow: 0 0 16px rgba(14, 165, 233, 0.6);
    animation: progress-shimmer 2s ease-in-out infinite;
    transition: width 0.3s ease-out;
}

@keyframes progress-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.progress-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #64748b;
    font-size: 0.9em;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.progress-step.active {
    color: #7dd3fc;
    opacity: 1;
    transform: translateX(4px);
}

.progress-step.complete {
    color: #22c55e;
    opacity: 0.7;
}

.progress-step-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid currentColor;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.3s ease;
}

.progress-step.active .progress-step-icon {
    animation: step-pulse 1.5s ease-in-out infinite;
}

@keyframes step-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(125, 211, 252, 0.7);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 0 0 6px rgba(125, 211, 252, 0);
    }
}

.progress-step.complete .progress-step-icon {
    background: #22c55e;
    border-color: #22c55e;
}

/* Pulsing Dot Loader (Alternative) */
.dot-loader {
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

.dot-loader-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #0ea5e9;
    animation: dot-bounce 1.4s ease-in-out infinite;
    box-shadow: 0 0 12px rgba(14, 165, 233, 0.6);
}

.dot-loader-dot:nth-child(1) { animation-delay: 0s; }
.dot-loader-dot:nth-child(2) { animation-delay: 0.2s; }
.dot-loader-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-bounce {
    0%, 80%, 100% {
        transform: scale(0.8) translateY(0);
        opacity: 0.6;
    }
    40% {
        transform: scale(1.2) translateY(-10px);
        opacity: 1;
    }
}

/* Glass Card Loading State */
.glass-card-loading {
    background: rgba(30, 38, 54, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(125, 211, 252, 0.15);
    border-radius: 20px;
    padding: 32px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 0 40px rgba(14, 165, 233, 0.1);
    position: relative;
    overflow: hidden;
    animation: glass-fade-in 0.8s ease-out;
}

@keyframes glass-fade-in {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.glass-card-loading::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(125, 211, 252, 0.03) 0%,
        transparent 70%
    );
    animation: glass-rotate 20s linear infinite;
}

@keyframes glass-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Micro-interactions: Button Press Effect */
.interactive-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.interactive-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.interactive-btn:active::before {
    width: 300px;
    height: 300px;
}

/* Glow Effect on Hover */
.glow-on-hover {
    transition: all 0.3s ease;
}

.glow-on-hover:hover {
    box-shadow:
        0 0 20px rgba(14, 165, 233, 0.4),
        0 0 40px rgba(14, 165, 233, 0.2),
        0 0 60px rgba(14, 165, 233, 0.1);
    transform: translateY(-2px);
}

/* Smooth Content Reveal */
.content-reveal {
    animation: content-reveal 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
}

@keyframes content-reveal {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.content-reveal-delay-1 { animation-delay: 0.1s; }
.content-reveal-delay-2 { animation-delay: 0.2s; }
.content-reveal-delay-3 { animation-delay: 0.3s; }
.content-reveal-delay-4 { animation-delay: 0.4s; }

/* Responsive Loading States */
@media (max-width: 768px) {
    .league-card-skeleton {
        padding: 16px;
        margin-bottom: 16px;
    }

    .loading-spinner {
        width: 48px;
        height: 48px;
    }

    .loading-spinner::before {
        width: 48px;
        height: 48px;
    }

    .loading-spinner::after {
        width: 36px;
        height: 36px;
        top: 6px;
        left: 6px;
    }

    .loading-text {
        font-size: 1em;
    }

    .progress-loading-container {
        padding: 16px;
    }
}

/* Success State Animation */
.success-checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 197, 94, 0.1);
    border: 3px solid #22c55e;
    animation: success-scale 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes success-scale {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-checkmark::after {
    content: '✓';
    font-size: 40px;
    color: #22c55e;
    font-weight: bold;
    animation: checkmark-draw 0.4s 0.2s ease-out forwards;
    opacity: 0;
}

@keyframes checkmark-draw {
    to { opacity: 1; }
}

/* Error State Animation */
.error-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.1);
    border: 3px solid #ef4444;
    animation: error-shake 0.5s ease-in-out;
}

@keyframes error-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.error-icon::after {
    content: '✕';
    font-size: 40px;
    color: #ef4444;
    font-weight: bold;
}