@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   全局重置与变量
   ========================================================================== */
:root {
    --bg-dark: #07080d;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-light: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(0, 242, 254, 0.5);
    
    --primary: #00f2fe;
    --primary-grad: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --accent: #a855f7;
    --accent-grad: linear-gradient(135deg, #7f00ff 0%, #e100ff 100%);
    --danger-grad: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
    --success-grad: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dark: #111827;
    
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(127, 0, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 242, 254, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(15, 17, 26, 1) 0%, rgba(7, 8, 13, 1) 100%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: #4facfe;
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.4);
}

/* ==========================================================================
   布局与组件库
   ========================================================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* 毛玻璃卡片基类 */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

/* 顶部导航栏 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(13, 14, 21, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #00f2fe 0%, #e100ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand i {
    font-style: normal;
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-user {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.nav-user strong {
    color: var(--text-main);
}

/* ==========================================================================
   按钮与交互元素
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: #fff;
    outline: none;
}

.btn-primary {
    background: var(--primary-grad);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-accent {
    background: var(--accent-grad);
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.2);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
}

.btn-danger {
    background: var(--danger-grad);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.15);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   表单与输入框
   ========================================================================== */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.25);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

/* 高阶卡片式单选组 (PLC / DAU 选择器) */
.radio-card-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.radio-card {
    position: relative;
    cursor: pointer;
}

.radio-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    text-align: center;
    transition: var(--transition-smooth);
}

.radio-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 0.2rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.radio-card-desc {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
}

.radio-card input:checked + .radio-card-content {
    background: rgba(0, 242, 254, 0.05);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

.radio-card input:checked + .radio-card-content .radio-card-title {
    color: var(--primary);
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.3);
}

.radio-card:hover .radio-card-content {
    border-color: rgba(0, 242, 254, 0.3);
}

/* ==========================================================================
   页面特定样式 (Login & Console)
   ========================================================================== */

/* 登录页居中容器 */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 100px);
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #00f2fe 0%, #e100ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 控制台双栏布局 */
.console-grid {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .console-grid {
        grid-template-columns: 1fr;
    }
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-light);
}

.panel-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==========================================================================
   数据表格样式
   ========================================================================== */
.table-container {
    overflow-x: auto;
    margin-top: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table th {
    background: rgba(255, 255, 255, 0.04);
    padding: 0.85rem 1rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-main);
}

.data-table tbody tr {
    transition: var(--transition-smooth);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* 授权类型微型徽章 */
.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-plc {
    background: rgba(0, 242, 254, 0.15);
    color: var(--primary);
    border: 1px solid rgba(0, 242, 254, 0.3);
}

.badge-dau {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

/* 注册码特殊显示样式 */
.code-display {
    font-family: 'Courier New', Courier, monospace;
    font-weight: 700;
    color: var(--primary);
    background: rgba(0, 242, 254, 0.06);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 242, 254, 0.15);
    letter-spacing: 0.5px;
}

/* 一键复制微按钮 */
.btn-copy {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 4px;
    transition: var(--transition-smooth);
    margin-left: 0.4rem;
    vertical-align: middle;
}

.btn-copy:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.1);
}

.btn-copy:active {
    transform: scale(0.9);
}

/* ==========================================================================
   实时搜索过滤与提示
   ========================================================================== */
.search-bar-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.search-input-wrapper {
    position: relative;
    flex-grow: 1;
}

.search-input-wrapper input {
    padding-left: 2.2rem;
}

.search-icon {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.25);
    pointer-events: none;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state p {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ==========================================================================
   炫酷结果弹窗 (Modal)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 8, 13, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-align: center;
    border: 1px solid rgba(0, 242, 254, 0.2);
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.15);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-success-icon {
    width: 60px;
    height: 60px;
    background: rgba(52, 211, 153, 0.1);
    color: #34d399;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1.5rem;
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.modal-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.modal-license-box {
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(0, 242, 254, 0.05);
    border: 1px dashed rgba(0, 242, 254, 0.3);
    border-radius: 8px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.modal-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   全局动态 Toast 提示
   ========================================================================== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(13, 14, 21, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-light);
    border-left: 4px solid var(--primary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    z-index: 1100;
    transform: translateY(150%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease, visibility 0.3s ease;
}

.toast.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.toast.toast-error {
    border-left-color: #ef4444;
}

.toast.toast-success {
    border-left-color: #10b981;
}

.toast-text {
    font-size: 0.85rem;
    font-weight: 500;
}

/* ==========================================================================
   错误信息展示
   ========================================================================== */
.error-message-box {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #f87171;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: none;
    text-align: left;
}

.error-message-box.active {
    display: block;
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ==========================================================================
   状态控制按钮专属 Premium 样式
   ========================================================================== */
.btn-status {
    padding: 0.35rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    min-width: 85px;
    outline: none;
}

.btn-status-active {
    background: rgba(16, 185, 129, 0.08);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.2);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.1);
}

.btn-status-active:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.2);
}

.btn-status-suspended {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    border-color: var(--border-light);
}

.btn-status-suspended:hover {
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

.btn-status-enabled {
    background: rgba(0, 242, 254, 0.08);
    color: var(--primary);
    border-color: rgba(0, 242, 254, 0.2);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.1);
}

.btn-status-enabled:hover {
    background: rgba(249, 115, 22, 0.15);
    color: #fb923c;
    border-color: rgba(249, 115, 22, 0.3);
    box-shadow: 0 0 12px rgba(249, 115, 22, 0.2);
}

.btn-status-disabled {
    background: rgba(239, 68, 68, 0.08);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.2);
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.1);
}

.btn-status-disabled:hover {
    background: rgba(0, 242, 254, 0.12);
    color: var(--primary);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.2);
}

.text-system-protected {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
    background: rgba(255, 255, 255, 0.02);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px dashed var(--border-light);
    display: inline-block;
}

/* 修改公司名微型编辑按钮 */
.btn-edit-company {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.15rem 0.3rem;
    border-radius: 4px;
    transition: var(--transition-smooth);
    margin-left: 0.3rem;
    font-size: 0.85rem;
    vertical-align: middle;
}

.btn-edit-company:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.15);
}

.btn-edit-company:active {
    transform: scale(0.9);
}

/* 授权记录删除按钮 */
.btn-delete-license {
    background: rgba(239, 68, 68, 0.08);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
}

.btn-delete-license:hover {
    background: rgba(239, 68, 68, 0.18);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
    transform: translateY(-1px);
}

.btn-delete-license:active {
    transform: translateY(0);
}

/* ==========================================================================
   移动端响应式优化设计
   ========================================================================== */
@media (max-width: 768px) {
    /* 根本性宽度约束：防止页面超出屏幕 */
    body {
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    /* 容器与卡片适配 */
    .container {
        padding: 1rem 0.6rem;
        max-width: 100%;
        overflow: hidden;
    }
    
    .glass-panel {
        padding: 1.25rem 1rem;
        border-radius: 12px;
        max-width: 100%;
        min-width: 0;
        overflow: hidden;
    }
    
    /* 核心修复：强制单列布局，覆盖所有 inline style */
    .console-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    /* 导航栏移动端堆叠设计 */
    .navbar {
        flex-direction: column;
        align-items: center;
        padding: 0.8rem 1rem;
        gap: 0.6rem;
        text-align: center;
    }
    
    .nav-brand {
        font-size: 1.15rem;
        justify-content: center;
        white-space: nowrap;
    }
    
    .nav-menu {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
        gap: 0.5rem;
    }
    
    .nav-user {
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        margin-bottom: 0.2rem;
        order: -1;
    }
    
    .nav-menu .btn, .nav-menu a.btn {
        flex: 1 1 calc(33.333% - 0.5rem);
        min-width: 80px;
        padding: 0.4rem 0.5rem !important;
        font-size: 0.75rem !important;
        justify-content: center;
    }
    
    /* 搜索栏垂直堆叠 */
    .search-bar-container {
        flex-direction: column !important;
        gap: 0.6rem;
        margin-bottom: 1rem;
    }
    
    .select-filter-wrapper {
        width: 100% !important;
        min-width: unset !important;
    }
    
    .select-filter-wrapper select {
        width: 100%;
    }
    
    /* 表格体验优化：关键是让表格在 glass-panel 内可横向滚动 */
    .table-container {
        border-radius: 6px;
        -webkit-overflow-scrolling: touch;
        overflow-x: auto;
        max-width: 100%;
    }
    
    .data-table {
        min-width: 600px;
    }
    
    .data-table th, .data-table td {
        padding: 0.6rem 0.6rem;
        font-size: 0.78rem;
        white-space: nowrap;
    }
    
    /* 防止注册号和注册码折行 */
    .code-display {
        font-size: 0.72rem;
        padding: 0.2rem 0.4rem;
        white-space: nowrap;
        display: inline-block;
    }
    
    .data-table td code {
        white-space: nowrap;
        font-size: 0.78rem;
    }
    
    /* 单选卡片适配 */
    .radio-card-group {
        gap: 0.6rem;
    }
    
    .radio-card-content {
        padding: 0.75rem;
    }
    
    .radio-card-title {
        font-size: 0.95rem;
    }
    
    /* Modal 弹窗适配 */
    .modal-content {
        max-width: calc(100vw - 2rem);
        margin: 0 1rem;
    }
    
    .modal-license-box {
        font-size: 1rem;
        padding: 0.75rem;
        word-break: break-all;
    }
    
    /* Toast 位置适配 */
    .toast {
        right: 1rem;
        left: 1rem;
        bottom: 1.5rem;
    }
    
    /* 面板标题适配 */
    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
    }
    
    .panel-header h2 {
        font-size: 1rem;
    }
}