// _components.scss
// Gumi.css v1.0.0 - UI Components

// Cards
.card {
    background: var(--gumi-bg-primary);
    border: 1px solid var(--gumi-border);
    border-radius: var(--gumi-radius-lg);
    padding: var(--gumi-space-6);

    &-sm {
        padding: var(--gumi-space-4);
    }

    &-lg {
        padding: var(--gumi-space-8);
    }

    &-header {
        padding: var(--gumi-space-4) var(--gumi-space-6);
        margin: calc(var(--gumi-space-6) * -1) calc(var(--gumi-space-6) * -1) var(--gumi-space-4);
        border-bottom: 1px solid var(--gumi-border);
        font-weight: var(--gumi-font-semibold);
    }

    &-footer {
        padding: var(--gumi-space-4) var(--gumi-space-6);
        margin: var(--gumi-space-4) calc(var(--gumi-space-6) * -1) calc(var(--gumi-space-6) * -1);
        border-top: 1px solid var(--gumi-border);
    }
}

// Badge
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--gumi-space-1) var(--gumi-space-3);
    border-radius: var(--gumi-radius-full);
    background: var(--gumi-primary-light);
    color: var(--gumi-primary);
    font-size: var(--gumi-text-xs);
    font-weight: var(--gumi-font-medium);

    &-secondary {
        background: var(--gumi-surface);
        color: var(--gumi-muted);
        border: 1px solid var(--gumi-border);
    }

    &-success {
        background: rgba(52, 199, 89, 0.1);
        color: var(--gumi-success);
    }

    &-warning {
        background: rgba(255, 149, 0, 0.1);
        color: var(--gumi-warning);
    }

    &-error {
        background: rgba(255, 59, 48, 0.1);
        color: var(--gumi-error);
    }

    &-lg {
        padding: var(--gumi-space-2) var(--gumi-space-4);
        font-size: var(--gumi-text-sm);
    }

    &-pill {
        padding-left: var(--gumi-space-4);
        padding-right: var(--gumi-space-4);
    }
}

// Alert
.alert {
    padding: var(--gumi-space-4) var(--gumi-space-6);
    border-radius: var(--gumi-radius-lg);
    margin-bottom: var(--gumi-space-4);
    display: flex;
    align-items: center;
    gap: var(--gumi-space-3);
    border: 1px solid;

    svg {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
    }

    &-info {
        background-color: var(--gumi-primary-light);
        color: var(--gumi-primary);
        border-color: var(--gumi-primary);
    }

    &-success {
        background-color: rgba(52, 199, 89, 0.1);
        color: var(--gumi-success);
        border-color: var(--gumi-success);
    }

    &-warning {
        background-color: rgba(255, 149, 0, 0.1);
        color: var(--gumi-warning);
        border-color: var(--gumi-warning);
    }

    &-error {
        background-color: rgba(255, 59, 48, 0.1);
        color: var(--gumi-error);
        border-color: var(--gumi-error);
    }

    &-dismissible {
        padding-right: var(--gumi-space-12);
        position: relative;

        .btn-close {
            position: absolute;
            top: var(--gumi-space-3);
            right: var(--gumi-space-3);
        }
    }
}

// Progress Bar
.progress {
    width: 100%;
    height: 6px;
    background-color: var(--gumi-surface);
    border-radius: var(--gumi-radius-full);
    overflow: hidden;
    margin-bottom: var(--gumi-space-4);

    &-bar {
        height: 100%;
        background-color: var(--gumi-primary);
        border-radius: var(--gumi-radius-full);
        transition: width 0.3s ease, background-color 0.3s ease;
    }

    &-sm {
        height: 4px;
    }

    &-lg {
        height: 10px;
    }

    &-striped {
        .progress-bar {
            background-image: linear-gradient(
                45deg,
                rgba(255, 255, 255, 0.15) 25%,
                transparent 25%,
                transparent 50%,
                rgba(255, 255, 255, 0.15) 50%,
                rgba(255, 255, 255, 0.15) 75%,
                transparent 75%,
                transparent
            );
            background-size: 1rem 1rem;
        }
    }

    &-animated {
        .progress-bar {
            animation: progress-bar-stripes 1s linear infinite;
        }
    }
}

@keyframes progress-bar-stripes {
    from {
        background-position: 1rem 0;
    }
    to {
        background-position: 0 0;
    }
}

// Tabs
.tabs {
    margin-bottom: var(--gumi-space-4);

    .tab-list {
        display: flex;
        border-bottom: 1px solid var(--gumi-border);
        
        &.tabs-vertical {
            flex-direction: column;
            border-bottom: none;
            border-right: 1px solid var(--gumi-border);
            margin-right: var(--gumi-space-4);
        }
    }

    .tab-content {
        position: relative;
        overflow: hidden;
    }
}

.tab-button {
    padding: var(--gumi-space-3) var(--gumi-space-6);
    border: none;
    background: none;
    color: var(--gumi-muted);
    cursor: pointer;
    font-weight: var(--gumi-font-medium);
    position: relative;
    transition: all 0.2s ease;

    &:hover {
        color: var(--gumi-foreground);
        background: var(--gumi-muted-alpha);
    }

    &.active {
        color: var(--gumi-primary);

        &::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--gumi-primary);
            transition: all 0.2s ease;
        }
    }

    .tabs-vertical & {
        &.active::after {
            bottom: 0;
            right: -1px;
            left: auto;
            width: 2px;
            height: 100%;
        }
    }
}

.tab-pane {
    display: none;
    
    &.active {
        display: block;
    }
    
    // Animation classes
    &.tab-panel-enter {
        opacity: 0;
        transform: translateX(10px);
        transition: opacity 0.2s ease, transform 0.2s ease;
    }
    
    &.tab-panel-exit {
        opacity: 1;
        transform: translateX(0);
        transition: opacity 0.15s ease, transform 0.15s ease;
    }
}

// Accordion
.accordion {
    border: 1px solid var(--gumi-border);
    border-radius: var(--gumi-radius-lg);
    overflow: hidden;
    margin-bottom: var(--gumi-space-4);

    &-item {
        border-bottom: 1px solid var(--gumi-border);

        &:last-child {
            border-bottom: none;
        }
    }

    &-header {
        padding: var(--gumi-space-4) var(--gumi-space-6);
        background: var(--gumi-surface);
        cursor: pointer;
        display: flex;
        align-items: center;
        font-weight: var(--gumi-font-medium);
        transition: background-color 0.2s ease;
        border: none;
        width: 100%;
        text-align: left;

        &:hover {
            background: var(--gumi-muted-alpha);
        }

        &:focus {
            outline: 2px solid var(--gumi-primary);
            outline-offset: -2px;
        }
    }

    &-content {
        padding: var(--gumi-space-4) var(--gumi-space-6);
        display: none;
    }

    &-item.active {
        .accordion-content {
            display: block;
        }

        .accordion-icon {
            transform: rotate(180deg);
        }
    }

    &-icon {
        width: 20px;
        height: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        margin-left: auto;

        svg {
            width: 100%;
            height: 100%;
        }
    }
}

// Skeleton Loader
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gumi-surface) 25%,
        var(--gumi-surface-hover) 50%,
        var(--gumi-surface) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--gumi-radius-base);

    &-text {
        height: 1em;
        margin-bottom: var(--gumi-space-2);
    }

    &-title {
        height: 2em;
        margin-bottom: var(--gumi-space-4);
    }

    &-button {
        height: 44px;
        width: 120px;
    }

    &-avatar {
        width: 48px;
        height: 48px;
        border-radius: 50%;
    }
}

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

// Loading Spinner
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gumi-border);
    border-radius: 50%;
    border-top-color: var(--gumi-primary);
    animation: gumi-spin 0.8s linear infinite;

    &-sm {
        width: 16px;
        height: 16px;
    }

    &-lg {
        width: 32px;
        height: 32px;
        border-width: 3px;
    }
}

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

// Tooltip
.tooltip {
    position: relative;
    display: inline-block;

    &-text {
        visibility: hidden;
        background-color: var(--gumi-surface-dark);
        color: var(--gumi-foreground);
        text-align: center;
        padding: var(--gumi-space-2) var(--gumi-space-3);
        border-radius: var(--gumi-radius-base);
        position: absolute;
        z-index: var(--gumi-z-tooltip);
        bottom: 125%;
        left: 50%;
        transform: translateX(-50%);
        white-space: nowrap;
        font-size: var(--gumi-text-sm);
        opacity: 0;
        transition: opacity 0.3s;

        &::after {
            content: "";
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -5px;
            border-width: 5px;
            border-style: solid;
            border-color: var(--gumi-surface-dark) transparent transparent transparent;
        }
    }

    &:hover .tooltip-text {
        visibility: visible;
        opacity: 1;
    }
}

// Dropdown
.dropdown {
    position: relative;
    display: inline-block;
    
    // Simple hover-based dropdown (default)
    &:hover .dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    // Active state for better UX
    &:hover .dropdown-toggle,
    .dropdown-toggle:focus {
        background: var(--gumi-surface-hover);
        border-color: var(--gumi-primary);
    }
    
    // Icon rotation on hover
    &:hover .dropdown-icon {
        transform: rotate(180deg);
    }
    
    // Click-based dropdown modifier
    &.dropdown-click {
        &:hover .dropdown-menu {
            display: none;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
        }
        
        &:hover .dropdown-icon {
            transform: none;
        }
        
        // Only show on active state
        &.active {
            .dropdown-menu {
                display: block;
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            
            .dropdown-icon {
                transform: rotate(180deg);
            }
            
            .dropdown-toggle {
                background: var(--gumi-surface-hover);
                border-color: var(--gumi-primary);
            }
        }
    }
}

.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--gumi-space-2);
    padding: var(--gumi-space-3) var(--gumi-space-4);
    background: var(--gumi-surface);
    border: 1px solid var(--gumi-border);
    border-radius: var(--gumi-radius-base);
    color: var(--gumi-foreground);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;

    &:focus {
        outline: 2px solid var(--gumi-primary);
        outline-offset: 2px;
    }
}

.dropdown-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    margin-left: auto;

    svg {
        width: 100%;
        height: 100%;
    }
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% - 2px); // Reduce gap for better hover
    left: 0;
    min-width: 180px;
    padding: var(--gumi-space-1);
    background: var(--gumi-surface);
    border: 1px solid var(--gumi-border);
    border-radius: var(--gumi-radius-lg);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 
                0 4px 6px -2px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    
    // Modern glass effect
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.95);
    
    [data-theme="dark"] & {
        background: rgba(28, 28, 30, 0.95);
        border-color: rgba(255, 255, 255, 0.1);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--gumi-space-2) var(--gumi-space-3);
    margin: 2px;
    color: var(--gumi-foreground);
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--gumi-radius-base);
    font-size: var(--gumi-text-sm);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;

    // Hover effect
    &::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--gumi-primary);
        opacity: 0;
        transition: opacity 0.15s ease;
    }

    &: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;
        }
    }

    &[disabled] {
        color: var(--gumi-muted);
        cursor: not-allowed;
        opacity: 0.5;
        
        &:hover {
            transform: none;
            
            &::before {
                opacity: 0;
            }
        }
    }

    // Icons in dropdown items
    svg,
    .icon {
        width: 16px;
        height: 16px;
        margin-right: var(--gumi-space-2);
        flex-shrink: 0;
    }
}

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

.dropdown-header {
    display: block;
    padding: var(--gumi-space-2) var(--gumi-space-3);
    margin-bottom: var(--gumi-space-1);
    color: var(--gumi-muted);
    font-size: var(--gumi-text-xs);
    font-weight: var(--gumi-font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.7;
}

// Multi-level dropdown support
.dropdown-submenu {
    position: relative;

    // Show submenu on hover
    &:hover > .dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .dropdown-submenu-icon {
        width: 16px;
        height: 16px;
        margin-left: auto;
        
        svg {
            width: 100%;
            height: 100%;
        }
    }

    .dropdown-menu {
        top: 0;
        left: 100%;
        margin-left: var(--gumi-space-1);
        margin-top: 0;
    }
}

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

.dropdown-menu-dark {
    background: var(--gumi-surface-dark);
    border-color: var(--gumi-border-dark);

    .dropdown-item {
        color: var(--gumi-foreground-dark);

        &:hover,
        &:focus {
            background: rgba(255, 255, 255, 0.1);
        }
    }

    .dropdown-divider {
        background: var(--gumi-border-dark);
    }
}

// Button dropdown integration
.btn-group {
    position: relative;
    display: inline-flex;
    vertical-align: middle;

    .btn + .btn {
        margin-left: -1px;
    }

    .btn:not(:first-child):not(:last-child) {
        border-radius: 0;
    }

    .btn:first-child:not(:last-child) {
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
    }

    .btn:last-child:not(:first-child) {
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
    }

    .dropdown-toggle-split {
        padding-left: var(--gumi-space-2);
        padding-right: var(--gumi-space-2);
        
        &::after {
            margin-left: 0;
        }
    }
}

// Responsive dropdown adjustments
@include media-down('sm') {
    .dropdown-menu {
        min-width: calc(100vw - 32px);
        max-width: calc(100vw - 32px);
        left: 50% !important;
        transform: translateX(-50%);
        
        &.show {
            transform: translateX(-50%) translateY(0);
        }
    }
}