/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    z-index: 100;
    backdrop-filter: blur(8px);
}

.header-content {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background-color: var(--toggle-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background-color var(--transition-base);
}

.theme-toggle:hover {
    background-color: var(--bg-hover);
}

.theme-icon {
    position: absolute;
    font-size: var(--font-size-xl);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

[data-theme="dark"] .theme-icon.sun {
    transform: rotate(0deg) scale(1);
    opacity: 1;
}

[data-theme="dark"] .theme-icon.moon {
    transform: rotate(180deg) scale(0);
    opacity: 0;
}

[data-theme="light"] .theme-icon.sun {
    transform: rotate(180deg) scale(0);
    opacity: 0;
}

[data-theme="light"] .theme-icon.moon {
    transform: rotate(0deg) scale(1);
    opacity: 1;
}

/* ============================================
   FEED
   ============================================ */
.feed {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* ============================================
   MEME CARD
   ============================================ */
.meme-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.meme-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.meme-card-header {
    padding: var(--space-md);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-md);
    border-bottom: 1px solid var(--border-secondary);
}

.meme-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
    /* Ensure spaces are preserved and text wraps naturally */
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.meme-source {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.meme-image-container {
    position: relative;
    width: 100%;
    background-color: var(--bg-tertiary);
    overflow: hidden;
}

.meme-image {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.meme-image.loaded {
    opacity: 1;
}

.meme-card-footer {
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-top: 1px solid var(--border-secondary);
}

.meme-meta {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ============================================
   LOADING SKELETON
   ============================================ */
.skeleton-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.skeleton-header {
    padding: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.skeleton-title {
    height: 20px;
    width: 60%;
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-hover) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-source {
    height: 16px;
    width: 80px;
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-hover) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-image {
    width: 100%;
    padding-bottom: 100%; /* Square aspect ratio */
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-hover) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.skeleton-footer {
    padding: var(--space-md);
}

.skeleton-meta {
    height: 16px;
    width: 40%;
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-hover) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

/* ============================================
   LOADING INDICATOR
   ============================================ */
.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-2xl) 0;
    min-height: 100px;
}

.loading-indicator:not(.active) {
    visibility: hidden;
}

.loading-indicator.active {
    visibility: visible;
}

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

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

.loading-indicator p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   END MESSAGE
   ============================================ */
.end-message {
    text-align: center;
    padding: var(--space-2xl) 0;
}

.end-message p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.btn-reload {
    padding: var(--space-md) var(--space-xl);
    background-color: var(--accent-primary);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: background-color var(--transition-fast);
}

.btn-reload:hover {
    background-color: var(--accent-hover);
}

/* ============================================
   ERROR MESSAGE
   ============================================ */
.error-message {
    text-align: center;
    padding: var(--space-2xl);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.error-message p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-xl) 0;
    text-align: center;
    border-top: 1px solid var(--border-primary);
    background-color: var(--bg-secondary);
}

.footer p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}