/* assets/css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Color Palette - Darker, richer */
    --color-canvas-default: #0d1117;
    --color-canvas-subtle: #161b22;
    --color-border-default: #30363d;
    --color-border-muted: #21262d;
    --color-accent-fg: #58a6ff;
    --color-fg-default: #c9d1d9;
    --color-fg-muted: #8b949e;

    /* Semantic Colors */
    --color-btn-primary-bg: #238636;
    --color-btn-primary-hover: #2ea043;
    --color-danger-fg: #f85149;
    --color-open-fg: #3fb950;
    --color-closed-fg: #f85149;
    --color-merged-fg: #8957e5;

    /* Glassmorphism */
    --glass-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
}

body {
    background-color: var(--color-canvas-default);
    color: var(--color-fg-default);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent-fg);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #79c0ff;
    text-decoration: none;
}

.container {
    max-width: 1012px;
    margin: 0 auto;
    padding: 24px;
    animation: fadeIn 0.5s ease-out;
}

/* Header */
.site-header {
    background-color: #010409;
    padding: 12px 24px;
    border-bottom: 1px solid var(--color-border-default);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
    height: 64px;
    box-sizing: border-box;
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-fg-default);
    font-weight: 600;
}

.header-search-container {
    position: relative;
    width: 200px;
    margin-right: 24px;
}

.header-search-input {
    width: 100%;
    background-color: #0d1117;
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    padding: 5px 12px;
    font-size: 14px;
    color: var(--color-fg-default);
    transition: width 0.2s ease;
}

.header-search-input:focus {
    width: 300px;
    border-color: var(--color-accent-fg);
    outline: none;
    background-color: #161b22;
}

.header-nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 16px;
}

.header-nav-item {
    color: var(--color-fg-default);
    font-size: 14px;
    font-weight: 500;
    opacity: 0.9;
    text-decoration: none;
}

.header-nav-item:hover {
    opacity: 1;
    color: var(--color-accent-fg);
}

/* Global Banner */
.global-banner {
    background-color: #38235d;
    /* Dark purple/gold vibe from the image */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 24px;
    color: #f0f6fc;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: fadeIn 0.5s ease-out;
}

.global-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.global-banner-close {
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.global-banner-close:hover {
    opacity: 1;
}

.lang-switcher {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-fg-default);
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 13px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
    height: 30px;
}

.lang-switcher:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-fg-muted);
}

.lang-switcher:focus {
    outline: none;
    border-color: var(--color-accent-fg);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

.lang-switcher option {
    background-color: var(--color-canvas-subtle) !important;
    color: var(--color-fg-default) !important;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--color-fg-default);
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    background-color: #0d1117;
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    color: var(--color-fg-default);
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--color-accent-fg);
    outline: none;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
    background-color: #131820;
}

.form-control.drag-over {
    border: 2px dashed var(--color-accent-fg);
    background-color: rgba(88, 166, 255, 0.05);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 16px;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
    cursor: pointer;
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    background-color: var(--color-canvas-subtle);
    color: var(--color-fg-default);
    transition: all 0.2s cubic-bezier(0.3, 0, 0.5, 1);
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    background-color: #21262d;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: #8b949e;
}

.btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-primary {
    background-color: var(--color-btn-primary-bg);
    color: #fff;
    border-color: rgba(27, 31, 35, 0.15);
}

.btn-primary:hover {
    background-color: var(--color-btn-primary-hover);
    border-color: rgba(27, 31, 35, 0.15);
}

.btn-danger {
    color: var(--color-danger-fg);
}

.btn-danger:hover {
    background-color: rgba(248, 81, 73, 0.1);
    border-color: var(--color-danger-fg);
}

.btn-sm {
    padding: 4px 6px;
    font-size: 12px;
}

/* Box Component */
.Box {
    background-color: var(--color-canvas-default);
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
}

.Box-header {
    padding: 16px;
    margin: -1px -1px 0;
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
    font-weight: 600;
}

.Box-row {
    padding: 16px;
    border-top: 1px solid var(--color-border-muted);
    transition: background-color 0.15s ease;
}

.Box-row:first-of-type {
    border-top: none;
}

.Box-row:hover {
    background-color: rgba(119, 133, 155, 0.05);
    /* Subtle highlight */
}

/* Status Labels */
.State {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
    color: #fff;
    text-align: center;
    border-radius: 2em;
    border: 1px solid transparent;
}

.State--open {
    background-color: var(--color-open-fg);
    border-color: rgba(255, 255, 255, 0.1);
}

.State--closed {
    background-color: var(--color-closed-fg);
    border-color: rgba(255, 255, 255, 0.1);
}

.State--merged {
    background-color: var(--color-merged-fg);
    border-color: rgba(255, 255, 255, 0.1);
}

.Label {
    display: inline-block;
    padding: 0 8px;
    font-size: 12px;
    font-weight: 500;
    line-height: 20px;
    border-radius: 2em;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Timeline/Comments */
.timeline-comment {
    position: relative;
    background-color: var(--color-canvas-default);
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    margin-bottom: 24px;
    transition: box-shadow 0.2s ease;
}

.timeline-comment:hover {
    border-color: #444c56;
}

.timeline-comment-header {
    background-color: var(--color-canvas-subtle);
    color: var(--color-fg-muted);
    border-bottom: 1px solid var(--color-border-default);
    padding: 8px 16px;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}

.timeline-comment-body {
    padding: 16px;
    font-size: 14px;
}

.avatar {
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 8px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* Auth Page */
.auth-form {
    width: 340px;
    margin: 80px auto 0;
    padding: 32px;
    background-color: #161b22;
    border: 1px solid #30363d;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    animation: scaleUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-form-header {
    margin-bottom: 24px;
    text-align: center;
}

.auth-form-header h1 {
    font-size: 24px;
    font-weight: 300;
    letter-spacing: -0.5px;
    margin: 0;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    /* Glass blur for bg */
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background-color: #161b22;
    border: 1px solid #30363d;
    border-radius: 12px;
    width: 448px;
    max-width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: center;
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border-default);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border-default);
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
}

/* Toast Notification */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 12px 16px;
    color: #fff;
    font-size: 14px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 250px;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid var(--color-open-fg);
}

.toast.error {
    border-left: 4px solid var(--color-danger-fg);
}

.toast.hiding {
    animation: slideOut 0.3s cubic-bezier(0.5, 0, 1, 1) forwards;
}

/* Markdown Toolbar */
.chk-toolbar {
    margin-bottom: 0;
    border: 1px solid var(--color-border-default);
    border-radius: 6px 6px 0 0;
    border-bottom: none;
    background: var(--color-canvas-subtle);
    padding: 8px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.attachment-item {
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-fg-muted);
}

.attachment-item .remove-btn {
    cursor: pointer;
    color: var(--color-danger-fg);
    font-weight: bold;
    font-size: 14px;
    line-height: 1;
}

.attachment-item .remove-btn:hover {
    color: #ff7b72;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleUp {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Mobile Header & Sidebar */
.mobile-menu-btn {
    display: none;
    /* Hidden by default on desktop */
    background: none;
    border: none;
    color: var(--color-fg-default);
    cursor: pointer;
    padding: 8px;
    margin-right: 8px;
}

.mobile-menu-btn:hover {
    color: var(--color-accent-fg);
}

.mobile-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-sidebar-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background-color: var(--color-canvas-default);
    border-right: 1px solid var(--color-border-default);
    z-index: 1001;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

.mobile-sidebar.open {
    transform: translateX(0);
}

.mobile-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--color-border-default);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-canvas-subtle);
}

.mobile-sidebar-close {
    background: none;
    border: none;
    color: var(--color-fg-default);
    cursor: pointer;
    padding: 4px;
}

.mobile-sidebar-content {
    padding: 16px;
    flex: 1;
    overflow-y: auto;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav-item {
    display: block;
    padding: 8px 12px;
    color: var(--color-fg-default);
    text-decoration: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
}

.mobile-nav-item:hover,
.mobile-nav-item.active {
    background-color: var(--color-canvas-subtle);
    color: var(--color-accent-fg);
}

.mobile-search-container {
    padding: 0 0 16px 0;
    border-bottom: 1px solid var(--color-border-default);
    margin-bottom: 16px;
}

.mobile-search-input {
    width: 100%;
    box-sizing: border-box;
    background-color: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-default);
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--color-fg-default);
    font-size: 14px;
}

.mobile-footer {
    padding: 16px;
    border-top: 1px solid var(--color-border-default);
    background-color: var(--color-canvas-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Responsive Rules */
@media (max-width: 768px) {

    .header-nav-list,
    .header-search-container,
    .lang-switcher,
    #headerLogoutBtn {
        display: none !important;
    }

    .mobile-menu-btn {
        display: block !important;
    }

    .header-right {
        gap: 8px;
    }
}

/* Case Page Specific */
.header-meta {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border-default);
    margin-bottom: 24px;
}

.status-badge {
    margin-right: 8px;
    vertical-align: middle;
}