/* Loading Styles */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.loading-container p {
    margin-top: 1rem;
    font-style: italic;
    color: var(--wood-brown);
}

.vintage-loader {
    position: relative;
    width: 100px;
    height: 100px;
}

.paper {
    position: absolute;
    width: 70px;
    height: 90px;
    background-color: var(--aged-paper);
    border: 2px solid var(--wood-brown);
    top: 5px;
    left: 15px;
    animation: paper-wobble 2s ease-in-out infinite;
    box-shadow: 3px 3px 5px rgba(0, 0, 0, 0.1);
}

.ink-drop {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--dark-ink);
    border-radius: 50%;
    top: 30px;
    left: 44px;
    opacity: 0;
    animation: ink-drop 2s ease-in-out infinite;
}

/* Content Loading Animation */
.fade-in {
    opacity: 0;
    animation: fade-in 0.5s ease-in-out forwards;
}

/* Page Transition Animation */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    animation: page-transition 0.5s ease-in-out forwards;
}

/* Loading Shimmer Effect for Recipe Cards */
.loading-card {
    background-color: var(--aged-paper);
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    height: 350px;
    position: relative;
}

.loading-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.2) 50%,
            rgba(255, 255, 255, 0) 100%);
    animation: shimmer 1.5s infinite;
    transform: translateX(-100%);
}

/* Desktop-specific loading circle animation */
@media (min-width: 769px) {
    .loading-circle {
        width: 40px;
        height: 40px;
        margin: 0 auto;
        border: 4px solid var(--aged-paper);
        border-top: 4px solid var(--wood-brown);
        border-radius: 50%;
        animation: spin 1s linear infinite;
        display: none;
    }

    .loading-indicator .loading-circle {
        display: block;
    }
}

/* Animations */
@keyframes paper-wobble {

    0%,
    100% {
        transform: rotate(-2deg);
    }

    50% {
        transform: rotate(2deg);
    }
}

@keyframes ink-drop {

    0%,
    100% {
        opacity: 0;
        transform: translateY(0) scale(1);
    }

    10% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
        transform: translateY(30px) scale(0.8);
    }

    90% {
        opacity: 0;
        transform: translateY(50px) scale(0.5);
    }
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@keyframes page-transition {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Mobile-specific loading animation */
@media (max-width: 768px) {
    .loading-container {
        padding: 2rem;
    }

    .loading-placeholder {
        background-color: var(--aged-paper);
        border-radius: 10px;
        height: 120px;
        margin: 10px 0;
        position: relative;
        overflow: hidden;
    }

    .loading-placeholder::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background: linear-gradient(90deg,
                rgba(255, 255, 255, 0) 0%,
                rgba(255, 255, 255, 0.2) 50%,
                rgba(255, 255, 255, 0) 100%);
        animation: shimmer 1.5s infinite;
        transform: translateX(-100%);
    }

    /* App-like loading indicator */
    .app-loading {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        padding: 2rem;
    }

    .app-loading .dots {
        display: flex;
        justify-content: center;
        margin-top: 1rem;
    }

    .app-loading .dot {
        width: 10px;
        height: 10px;
        margin: 0 5px;
        background-color: var(--wood-brown);
        border-radius: 50%;
        animation: dot-pulse 1.5s infinite;
    }

    .app-loading .dot:nth-child(1) {
        animation-delay: 0s;
    }

    .app-loading .dot:nth-child(2) {
        animation-delay: 0.3s;
    }

    .app-loading .dot:nth-child(3) {
        animation-delay: 0.6s;
    }

    @keyframes dot-pulse {

        0%,
        80%,
        100% {
            transform: scale(0.8);
            opacity: 0.5;
        }

        40% {
            transform: scale(1.2);
            opacity: 1;
        }
    }
}

/* Accessibility - Disable animations */
@media (prefers-reduced-motion: reduce) {

    .paper,
    .ink-drop,
    .loading-card::after,
    .loading-placeholder::after,
    .app-loading .dot,
    .loading-circle {
        animation: none;
    }

    .loading-card::after,
    .loading-placeholder::after {
        display: none;
    }

    .fade-in,
    .page-transition {
        animation: none;
        opacity: 1;
        transform: none;
    }
}