/* ============================================
   Mail Layout Styles
   ============================================ */

.wasle-mail-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* Folder Pane */
.wasle-folder-pane {
    width: 200px;
    min-width: 200px;
    background: rgba(248, 249, 250, 0.85);
    backdrop-filter: saturate(180%) blur(var(--wasle-blur-md));
    -webkit-backdrop-filter: saturate(180%) blur(var(--wasle-blur-md));
    border-right: 1px solid var(--wasle-divider);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width var(--wasle-transition-slow), min-width var(--wasle-transition-slow);
}
[data-theme="dark"] .wasle-folder-pane {
    background: rgba(22, 22, 42, 0.8);
}

.wasle-folder-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--wasle-space-3);
}

.wasle-folder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--wasle-space-3);
}

.wasle-folder-header h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--wasle-text);
    margin: 0;
}

.wasle-folder-items {
    flex: 1;
    overflow-y: auto;
}

.wasle-folder-item {
    display: flex;
    align-items: center;
    gap: var(--wasle-space-2);
    padding: var(--wasle-space-2) var(--wasle-space-3);
    color: var(--wasle-text-secondary);
    font-size: 13px;
    font-weight: 400;
    border-radius: var(--wasle-radius-sm);
    margin-bottom: 1px;
    text-decoration: none;
    transition: all var(--wasle-transition-fast);
}

.wasle-folder-item:hover {
    background: var(--wasle-primary-light);
    color: var(--wasle-text);
    transform: translateX(3px);
}

.wasle-folder-item:active {
    transform: scale(0.97) translateX(3px);
}

.wasle-folder-item.active {
    background: var(--wasle-primary-light);
    color: var(--wasle-primary);
    font-weight: 600;
}

/* Stagger folder items on load */
.wasle-folder-items .wasle-folder-item {
    animation: wasle-stagger-in 300ms cubic-bezier(0.22, 1, 0.36, 1) both;
}
.wasle-folder-items .wasle-folder-item:nth-child(1) { animation-delay: 0ms; }
.wasle-folder-items .wasle-folder-item:nth-child(2) { animation-delay: 30ms; }
.wasle-folder-items .wasle-folder-item:nth-child(3) { animation-delay: 60ms; }
.wasle-folder-items .wasle-folder-item:nth-child(4) { animation-delay: 90ms; }
.wasle-folder-items .wasle-folder-item:nth-child(5) { animation-delay: 120ms; }
.wasle-folder-items .wasle-folder-item:nth-child(6) { animation-delay: 150ms; }
.wasle-folder-items .wasle-folder-item:nth-child(7) { animation-delay: 180ms; }
.wasle-folder-items .wasle-folder-item:nth-child(n+8) { animation-delay: 210ms; }

.wasle-folder-name {
    flex: 1;
}

.wasle-folder-count {
    font-size: 11px;
    font-weight: 600;
    color: var(--wasle-text-secondary);
    background: var(--wasle-surface-raised);
    padding: 1px 6px;
    border-radius: var(--wasle-radius-full);
    min-width: 20px;
    text-align: center;
    transition: all var(--wasle-transition-spring);
}

.wasle-folder-item.active .wasle-folder-count {
    background: var(--wasle-primary);
    color: white;
    animation: wasle-scale-in 300ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

/* Quota */
.wasle-quota {
    margin-top: var(--wasle-space-4);
    padding-top: var(--wasle-space-3);
    border-top: 1px solid var(--wasle-border);
}

.wasle-quota-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--wasle-text);
    margin-bottom: var(--wasle-space-2);
}

.wasle-quota-bar {
    height: 4px;
    background: var(--wasle-surface-raised);
    border-radius: var(--wasle-radius-sm);
    overflow: hidden;
    margin-bottom: var(--wasle-space-1);
}

.wasle-quota-used {
    height: 100%;
    background: linear-gradient(90deg, var(--wasle-primary), var(--wasle-primary-hover));
    border-radius: var(--wasle-radius-full);
    transition: width 800ms cubic-bezier(0.22, 1, 0.36, 1);
}

.wasle-quota-text {
    font-size: 11px;
    color: var(--wasle-text-secondary);
}

/* Adjust main layout */
.wasle-main {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Responsive */
@media (max-width: 1024px) {
    .wasle-folder-pane {
        width: 60px;
        min-width: 60px;
        /* Smooth collapse animation via transition on .wasle-folder-pane */
    }
    
    .wasle-folder-name,
    .wasle-folder-count,
    .wasle-quota {
        display: none;
    }
    
    .wasle-folder-header h2 {
        display: none;
    }
}

@media (max-width: 768px) {
    .wasle-folder-pane {
        display: none;
    }
    
    .wasle-mail-container {
        flex-direction: column;
    }
    
    .wasle-list-pane {
        width: 100%;
        height: 50%;
    }
    
    .wasle-reading-pane {
        width: 100%;
        height: 50%;
        border-top: 1px solid var(--wasle-border);
    }
}