/* ============================================
   PROMPTHUB - NEO-BRUTALISM DESIGN
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 色彩 - 新粗野主义大胆配色 */
    --bg-cream: #FFFBEB;
    --bg-white: #FFFFFF;
    --border-black: #000000;
    --text-black: #0A0A0A;
    --text-gray: #4A4A4A;

    /* 强调色 */
    --accent-yellow: #FFD23F;
    --accent-blue: #2D5BFF;
    --accent-red: #FF2E4D;
    --accent-green: #00D474;
    --accent-purple: #B45DFF;
    --accent-orange: #FF6B00;

    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* 边框和阴影 */
    --border-thin: 2px solid var(--border-black);
    --border-thick: 3px solid var(--border-black);
    --shadow-sm: 3px 3px 0 var(--border-black);
    --shadow-md: 5px 5px 0 var(--border-black);
    --shadow-lg: 8px 8px 0 var(--border-black);
    --shadow-xl: 12px 12px 0 var(--border-black);
}

body {
    font-family: 'Space Mono', 'SF Mono', 'Monaco', monospace;
    background: var(--bg-cream);
    color: var(--text-black);
    line-height: 1.6;
    overflow: hidden;
    position: relative;

    /* 噪点纹理 */
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(0,0,0,0.01) 2px,
            rgba(0,0,0,0.01) 4px
        );
}

/* 装饰性背景元素 */
body::before {
    content: '';
    position: fixed;
    top: 10%;
    right: 5%;
    width: 300px;
    height: 300px;
    background: var(--accent-yellow);
    border: var(--border-thick);
    transform: rotate(12deg);
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

body::after {
    content: '';
    position: fixed;
    bottom: 15%;
    left: 3%;
    width: 150px;
    height: 150px;
    background: var(--accent-blue);
    border: var(--border-thick);
    transform: rotate(-8deg);
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

/* 容器布局 */
.container {
    display: flex;
    height: 100vh;
    position: relative;
    z-index: 1;
}

/* ============================================
   SIDEBAR - 侧边栏
   ============================================ */
.sidebar {
    width: 280px;
    background: var(--bg-white);
    border-right: var(--border-thick);
    padding: var(--space-lg) var(--space-md);
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--accent-yellow);
    border: var(--border-thick);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-xl);
}

.logo svg {
    flex-shrink: 0;
}

.logo span {
    font-family: 'Chakra Petch', sans-serif;
    font-size: 22px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 导航菜单 */
.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-white);
    border: var(--border-thin);
    text-decoration: none;
    color: var(--text-black);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.15s ease;
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: -3px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--text-black);
    transform: scaleY(0);
    transition: transform 0.15s ease;
}

.nav-item:hover {
    background: var(--bg-white);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.nav-item.active {
    background: var(--accent-blue);
    color: white;
}

.nav-item.active::before {
    transform: scaleY(1);
}

/* 新建按钮 */
.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    background: var(--accent-green);
    border: var(--border-thick);
    color: var(--text-black);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-md);
    margin-top: var(--space-lg);
}

.btn-primary:hover {
    transform: translate(2px, 2px);
    box-shadow: var(--shadow-sm);
}

.btn-primary:active {
    transform: translate(5px, 5px);
    box-shadow: none;
}

/* ============================================
   MAIN CONTENT - 主内容区
   ============================================ */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* 头部 */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: var(--border-thick);
    background: var(--bg-white);
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--bg-cream);
    border: var(--border-thick);
    padding: var(--space-sm) var(--space-md);
    width: 400px;
    transition: all 0.2s ease;
}

.search-box:focus-within {
    background: var(--accent-yellow);
    box-shadow: var(--shadow-md);
}

.search-icon {
    color: var(--text-gray);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-black);
    font-family: 'Space Mono', monospace;
    font-size: 14px;
}

.search-box input::placeholder {
    color: var(--text-gray);
}

.header-actions {
    display: flex;
    gap: var(--space-sm);
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-white);
    border: var(--border-thick);
    cursor: pointer;
    transition: all 0.15s ease;
}

.icon-btn:hover {
    background: var(--accent-purple);
    transform: rotate(5deg) translate(2px, 2px);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   PROMPT GRID - 卡片网格
   ============================================ */
.prompt-grid {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-xl);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
    align-content: start;
}

/* 滚动条 */
.prompt-grid::-webkit-scrollbar {
    width: 12px;
}

.prompt-grid::-webkit-scrollbar-track {
    background: var(--bg-cream);
    border-left: var(--border-thin);
}

.prompt-grid::-webkit-scrollbar-thumb {
    background: var(--text-black);
    border: 2px solid var(--bg-cream);
}

.prompt-grid::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Prompt 卡片 */
.prompt-card {
    background: var(--bg-white);
    border: var(--border-thick);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
}

.prompt-card:nth-child(4n+1) { background: var(--bg-white); }
.prompt-card:nth-child(4n+2) { background: #FFF0F5; }
.prompt-card:nth-child(4n+3) { background: #F0F8FF; }
.prompt-card:nth-child(4n+4) { background: #F0FFF4; }

.prompt-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-xl);
}

.prompt-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--text-black);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.prompt-card:hover::before {
    transform: scaleX(1);
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: var(--border-thin);
}

.card-title {
    font-family: 'Chakra Petch', sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-content {
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.6;
    padding: var(--space-md);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-top: var(--border-thin);
}

.card-category {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--text-black);
    color: white;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Chakra Petch', sans-serif;
}

.card-date {
    font-size: 11px;
    color: var(--text-gray);
    font-family: 'Space Mono', monospace;
}

/* 卡片操作按钮 */
.card-actions {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    display: flex;
    gap: var(--space-xs);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.prompt-card:hover .card-actions {
    opacity: 1;
}

.action-btn {
    width: 32px;
    height: 32px;
    background: var(--bg-white);
    border: var(--border-thin);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.action-btn:hover {
    background: var(--accent-yellow);
    transform: scale(1.1);
}

.action-btn.delete:hover {
    background: var(--accent-red);
}

/* ============================================
   MODAL - 弹窗
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 580px;
    background: var(--bg-white);
    border: var(--border-thick);
    box-shadow: 16px 16px 0 var(--border-black);
    animation: modalSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) rotate(-2deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotate(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: var(--border-thick);
    background: var(--accent-yellow);
}

.modal-header h2 {
    font-family: 'Chakra Petch', sans-serif;
    font-size: 22px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.close-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-white);
    border: var(--border-thick);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.close-btn:hover {
    background: var(--accent-red);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--space-xl);
}

/* 表单 */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-family: 'Chakra Petch', sans-serif;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
    color: var(--text-black);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-cream);
    border: var(--border-thick);
    color: var(--text-black);
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    background: var(--accent-yellow);
    box-shadow: var(--shadow-md);
    transform: translate(-2px, -2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.7;
}

.modal-footer {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: var(--border-thin);
}

.modal-footer .btn-primary {
    width: auto;
    margin-top: 0;
    padding: var(--space-md) var(--space-xl);
}

.btn-secondary {
    padding: var(--space-md) var(--space-xl);
    background: var(--bg-cream);
    border: var(--border-thick);
    color: var(--text-black);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-white);
    transform: translate(2px, 2px);
    box-shadow: none;
}

/* ============================================
   VIEW MODAL - 查看弹窗
   ============================================ */
.view-modal {
    max-width: 720px;
}

.view-modal .modal-header {
    background: var(--accent-blue);
}

.view-modal .modal-header h2 {
    color: white;
}

.view-modal .close-btn:hover {
    background: var(--accent-red);
}

.view-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--text-black);
    border: var(--border-thin);
    font-size: 12px;
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Chakra Petch', sans-serif;
}

.view-date {
    font-size: 12px;
    color: var(--text-gray);
    font-family: 'Space Mono', monospace;
}

.view-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tag {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-cream);
    border: var(--border-thin);
    font-size: 12px;
    color: var(--text-black);
    font-family: 'Space Mono', monospace;
}

.tag:hover {
    background: var(--accent-orange);
    transform: rotate(-2deg);
}

.view-content {
    background: var(--bg-cream);
    border: var(--border-thick);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    max-height: 400px;
    overflow-y: auto;
}

.view-content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Space Mono', monospace;
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-black);
    margin: 0;
}

.view-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

.view-actions .btn-secondary {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ============================================
   EMPTY STATE - 空状态
   ============================================ */
.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
}

.empty-state svg {
    width: 100px;
    height: 100px;
    margin-bottom: var(--space-lg);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.empty-state h3 {
    font-family: 'Chakra Petch', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.empty-state p {
    color: var(--text-gray);
    font-size: 15px;
}

/* ============================================
   TOAST - 提示
   ============================================ */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-black);
    color: white;
    padding: var(--space-md) var(--space-xl);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: var(--border-thick);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 2000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ============================================
   CARD ANIMATIONS - 卡片动画
   ============================================ */
@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(30px) rotate(-3deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotate(0);
    }
}

.prompt-card {
    animation: cardEnter 0.4s ease backwards;
}

.prompt-card:nth-child(1) { animation-delay: 0.05s; }
.prompt-card:nth-child(2) { animation-delay: 0.1s; }
.prompt-card:nth-child(3) { animation-delay: 0.15s; }
.prompt-card:nth-child(4) { animation-delay: 0.2s; }
.prompt-card:nth-child(5) { animation-delay: 0.25s; }
.prompt-card:nth-child(6) { animation-delay: 0.3s; }

/* ============================================
   RESPONSIVE - 响应式
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        width: 90px;
        padding: var(--space-md) var(--space-sm);
    }

    .logo span,
    .nav-item span,
    .btn-primary span {
        display: none;
    }

    .btn-primary {
        width: 50px;
        height: 50px;
        padding: 0;
    }

    .btn-primary svg {
        margin: 0;
    }

    .nav-item {
        justify-content: center;
        padding: var(--space-md);
    }

    .nav-item svg {
        margin: 0;
    }

    .prompt-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        padding: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        flex-direction: row;
        align-items: center;
        padding: var(--space-md);
        border-right: none;
        border-bottom: var(--border-thick);
        overflow-x: auto;
    }

    .logo {
        margin-bottom: 0;
        margin-right: var(--space-md);
        flex-shrink: 0;
    }

    .nav-menu {
        flex-direction: row;
        gap: var(--space-xs);
    }

    .nav-item {
        white-space: nowrap;
        padding: var(--space-sm) var(--space-md);
    }

    .btn-primary {
        display: none;
    }

    .header {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-md);
    }

    .search-box {
        width: 100%;
    }

    .prompt-grid {
        grid-template-columns: 1fr;
        padding: var(--space-md);
    }

    .modal-content {
        margin: var(--space-md);
        max-height: calc(100vh - 32px);
        overflow-y: auto;
    }

    .modal-header,
    .modal-body {
        padding: var(--space-lg);
    }

    body::before,
    body::after {
        display: none;
    }
}

/* ============================================
   ACCESSIBILITY - 无障碍
   ============================================ */
*:focus-visible {
    outline: 3px solid var(--accent-orange);
    outline-offset: 2px;
}

::selection {
    background: var(--accent-yellow);
    color: var(--text-black);
}

/* ============================================
   UTILITY - 工具类
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-cream) 25%,
        #E5E5E5 50%,
        var(--bg-cream) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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

.skeleton-card {
    background: var(--bg-white);
    border: var(--border-thick);
    padding: var(--space-md);
    height: 220px;
}

.skeleton-title {
    height: 24px;
    width: 70%;
    margin-bottom: var(--space-md);
    margin-top: var(--space-sm);
}

.skeleton-text {
    height: 16px;
    width: 100%;
    margin-bottom: var(--space-sm);
}

.skeleton-text-short {
    height: 16px;
    width: 60%;
}

.skeleton-badge {
    height: 32px;
    width: 90px;
    margin-top: var(--space-md);
}