// Navigation components - dropdown and accordion

// Dropdown menu
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--gumi-bg-primary);
    border: 1px solid var(--gumi-border);
    border-radius: var(--gumi-radius-lg);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -2px rgba(0, 0, 0, 0.1),
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 8px 10px -6px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    z-index: var(--gumi-z-dropdown);
    display: none;
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
    transform-origin: top center;
    padding: var(--gumi-space-2);
    backdrop-filter: blur(10px);
    
    // Glass effect for modern look
    background: rgba(255, 255, 255, 0.95);
    
    @supports (backdrop-filter: blur(10px)) {
        background: rgba(255, 255, 255, 0.85);
    }
    
    &.show {
        display: block;
    }
}

// Dark theme glass effect
[data-theme="dark"] {
    .dropdown-menu {
        background: rgba(28, 28, 30, 0.95);
        border-color: rgba(255, 255, 255, 0.1);
        
        @supports (backdrop-filter: blur(10px)) {
            background: rgba(28, 28, 30, 0.9);
        }
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--gumi-space-3);
    width: 100%;
    padding: var(--gumi-space-3) var(--gumi-space-4);
    color: var(--gumi-foreground);
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
    font-size: var(--gumi-text-base);
    font-weight: var(--gumi-font-normal);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--gumi-radius-base);
    margin: var(--gumi-space-1) 0;
    position: relative;
    overflow: hidden;
    
    // Modern hover effect
    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--gumi-primary);
        opacity: 0;
        transition: opacity 0.15s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: -1;
    }
    
    &:hover,
    &:focus {
        color: var(--gumi-foreground);
        outline: none;
        transform: translateX(2px);
        
        &::before {
            opacity: 0.08;
        }
    }
    
    &:active {
        transform: translateX(2px) scale(0.98);
        
        &::before {
            opacity: 0.12;
        }
    }
    
    &.active {
        color: var(--gumi-primary);
        font-weight: var(--gumi-font-medium);
        
        &::before {
            opacity: 0.1;
        }
    }
    
    &:disabled {
        color: var(--gumi-muted);
        cursor: not-allowed;
        opacity: 0.5;
        
        &:hover {
            transform: none;
            
            &::before {
                opacity: 0;
            }
        }
    }
    
    // Icons in dropdown items
    .dropdown-item-icon {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
        opacity: 0.8;
        
        svg {
            width: 100%;
            height: 100%;
        }
    }
    
    // Labels and badges
    .dropdown-item-label {
        flex: 1;
        text-align: left;
    }
    
    .dropdown-item-badge {
        margin-left: auto;
        font-size: var(--gumi-text-xs);
        padding: var(--gumi-space-1) var(--gumi-space-2);
        background: var(--gumi-primary);
        color: white;
        border-radius: var(--gumi-radius-full);
        line-height: 1;
    }
}

// Dropdown divider with modern style
.dropdown-divider {
    height: 1px;
    margin: var(--gumi-space-3) var(--gumi-space-2);
    background: linear-gradient(
        to right,
        transparent,
        var(--gumi-border) 20%,
        var(--gumi-border) 80%,
        transparent
    );
}

// Dropdown header with modern style
.dropdown-header {
    display: block;
    padding: var(--gumi-space-2) var(--gumi-space-4);
    margin-bottom: var(--gumi-space-2);
    color: var(--gumi-muted);
    font-size: var(--gumi-text-xs);
    font-weight: var(--gumi-font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

// Dropdown trigger enhancements
.dropdown-trigger,
[data-dropdown] {
    position: relative;
    
    .dropdown-icon,
    .dropdown-arrow {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 20px;
        height: 20px;
        margin-left: var(--gumi-space-2);
        transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        
        svg {
            width: 14px;
            height: 14px;
        }
    }
    
    &[aria-expanded="true"] {
        .dropdown-icon,
        .dropdown-arrow {
            transform: rotate(180deg);
        }
    }
}

// Compact dropdown variant
.dropdown-menu-compact {
    padding: var(--gumi-space-1);
    
    .dropdown-item {
        padding: var(--gumi-space-2) var(--gumi-space-3);
        font-size: var(--gumi-text-sm);
        margin: 2px 0;
    }
    
    .dropdown-divider {
        margin: var(--gumi-space-2) var(--gumi-space-1);
    }
}

// Wide dropdown variant
.dropdown-menu-wide {
    min-width: 300px;
}

// Dropdown with icons grid
.dropdown-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gumi-space-2);
    padding: var(--gumi-space-3);
    
    .dropdown-item {
        flex-direction: column;
        text-align: center;
        padding: var(--gumi-space-3);
        
        .dropdown-item-icon {
            width: 32px;
            height: 32px;
            margin-bottom: var(--gumi-space-2);
        }
    }
}

// Dropdown alignment variants
.dropdown-menu-end {
    right: 0;
    left: auto;
}

.dropdown-menu-center {
    left: 50%;
    transform: translateX(-50%) translateY(-10px) scale(0.95);
    
    &.show {
        transform: translateX(-50%) translateY(0) scale(1);
    }
}

// Mobile responsive dropdown
@media (max-width: 640px) {
    .dropdown-menu {
        position: fixed;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100%;
        max-width: 100%;
        border-radius: var(--gumi-radius-lg) var(--gumi-radius-lg) 0 0;
        transform: translateY(100%);
        box-shadow: 
            0 -20px 25px -5px rgba(0, 0, 0, 0.1),
            0 -8px 10px -6px rgba(0, 0, 0, 0.1);
        
        &.show {
            transform: translateY(0);
        }
        
        // Add drag handle
        &::before {
            content: '';
            position: absolute;
            top: var(--gumi-space-2);
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 4px;
            background: var(--gumi-border);
            border-radius: var(--gumi-radius-full);
        }
    }
}

// Accordion with modern style
.accordion {
    border: 1px solid var(--gumi-border);
    border-radius: var(--gumi-radius-lg);
    overflow: hidden;
    background: var(--gumi-bg-primary);
}

.accordion-item {
    border-bottom: 1px solid var(--gumi-border);
    
    &:last-child {
        border-bottom: none;
    }
}

.accordion-header {
    width: 100%;
    padding: var(--gumi-space-4) var(--gumi-space-6);
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: var(--gumi-font-medium);
    color: var(--gumi-foreground);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    
    &::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--gumi-primary);
        transform: scaleY(0);
        transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    &:hover {
        background-color: var(--gumi-surface-hover);
    }
    
    &.active {
        color: var(--gumi-foreground);
        
        &::before {
            transform: scaleY(1);
        }
    }
    
    .accordion-icon {
        transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        
        svg {
            width: 20px;
            height: 20px;
        }
    }
    
    &.active .accordion-icon {
        transform: rotate(180deg);
    }
}

.accordion-content {
    padding: 0 var(--gumi-space-6);
    background: var(--gumi-bg-primary);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: 
        max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        padding 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    p {
        margin-bottom: var(--gumi-space-4);
        color: var(--gumi-muted);
        line-height: var(--gumi-leading-relaxed);
    }
}

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: var(--gumi-space-4) var(--gumi-space-6);
    opacity: 1;
}

// Tabs
.tabs {
    width: 100%;
}

.tab-list {
    display: flex;
    border-bottom: 1px solid var(--gumi-border);
    margin-bottom: var(--gumi-space-4);
    position: relative;
}

.tab-button {
    padding: var(--gumi-space-3) var(--gumi-space-6);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: var(--gumi-font-medium);
    color: var(--gumi-muted);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    
    &::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--gumi-primary);
        transform: scaleX(0);
        transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    &:hover {
        color: var(--gumi-foreground);
        background-color: var(--gumi-surface-hover);
    }
    
    &.active {
        color: var(--gumi-primary);
        
        &::after {
            transform: scaleX(1);
        }
    }
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
    
    &.active {
        display: block;
    }
}