/* Skeleton Loader System */
.skeleton {
    background: linear-gradient(90deg,
            var(--surface-2) 0%,
            var(--surface-0) 50%,
            var(--surface-2) 100%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 8px;
}

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

    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
    border-radius: 4px;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-text.medium {
    width: 80%;
}

.skeleton-text.long {
    width: 100%;
}

.skeleton-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.personal-avatar-preview.skeleton {
    border-radius: 20px;
}

.skeleton-card {
    height: 120px;
    border-radius: 16px;
    margin-bottom: 16px;
}

.skeleton-button {
    height: 44px;
    border-radius: 12px;
    width: 120px;
}

.skeleton-input {
    height: 48px;
    border-radius: 12px;
    width: 100%;
    margin-bottom: 16px;
}

.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

/* Fade-in animation for content - subtle appearance */
.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-fast {
    animation: fadeIn 0.3s ease-out forwards;
    opacity: 0;
}

/* Content loaded - prevents abrupt flash */
.content-loaded {
    animation: fadeIn 0.4s ease-out forwards;
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 {
    animation-delay: 0.1s;
}

.fade-in-delay-2 {
    animation-delay: 0.2s;
}

.fade-in-delay-3 {
    animation-delay: 0.3s;
}

/* Loading states */
.loading-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(4px);
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--surface-2);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Skeleton for login page */
.login-skeleton {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 40px;
    max-width: 440px;
    margin: 0 auto;
}

/* Skeleton for dashboard */
.dashboard-skeleton {
    padding: 32px;
}

.dashboard-skeleton-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}

.dashboard-skeleton-services .skeleton-grid {
    margin-top: 24px;
}

/* Skeleton for settings modal */
.settings-skeleton {
    padding: 24px;
}

.settings-skeleton-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.settings-skeleton-tab {
    height: 40px;
    width: 120px;
    border-radius: 8px;
}

.settings-skeleton-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Hide content while loading */
.content-loading {
    display: none;
}

/* Auth flow skeletons */
.auth-skeleton-modal {
    padding: 40px;
    max-width: 440px;
    margin: 0 auto;
}

.auth-skeleton-modal .skeleton-text {
    margin-bottom: 16px;
}

.auth-skeleton-modal .skeleton-input {
    margin-bottom: 20px;
}

.auth-skeleton-modal .skeleton-button {
    width: 100%;
    margin-top: 8px;
}