/* ============================================
   文创设计大赛评审系统 - 美化样式
   ============================================ */

/* ---------- 全局 ---------- */
:root {
    --primary: #4A6CF7;
    --primary-dark: #3B5DE7;
    --primary-light: #6B8AFF;
    --success: #34D399;
    --success-dark: #10B981;
    --warning: #FBBF24;
    --danger: #F87171;
    --danger-dark: #EF4444;
    --info: #60A5FA;
    --dark: #1E293B;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-500: #64748B;
    --gray-700: #334155;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all .2s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    background: var(--gray-50);
    color: var(--gray-700);
    line-height: 1.6;
}

a { color: var(--primary); transition: var(--transition); }
a:hover { color: var(--primary-dark); }

/* ---------- 导航栏 ---------- */
.navbar-inverse {
    background: linear-gradient(135deg, var(--dark) 0%, #334155 100%) !important;
    border: none !important;
    box-shadow: var(--shadow-lg);
    min-height: 60px;
}

.navbar-inverse .navbar-brand {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .5px;
    color: #fff !important;
    padding: 20px 15px;
}

.navbar-inverse .navbar-nav > li > a {
    color: rgba(255,255,255,.75) !important;
    font-size: 14px;
    padding: 20px 15px;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.navbar-inverse .navbar-nav > li > a:hover,
.navbar-inverse .navbar-nav > li > a:focus {
    color: #fff !important;
    background: rgba(255,255,255,.08) !important;
    border-bottom-color: var(--primary-light);
}

.navbar-inverse .navbar-nav > .open > a,
.navbar-inverse .navbar-nav > .open > a:hover,
.navbar-inverse .navbar-nav > .open > a:focus {
    background: rgba(255,255,255,.12) !important;
    color: #fff !important;
}

.navbar-inverse .navbar-nav > .active > a {
    background: rgba(255,255,255,.1) !important;
    color: #fff !important;
    border-bottom-color: var(--primary-light);
}

.navbar-inverse .dropdown-menu {
    background: #fff;
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-sm);
    padding: 8px 0;
    min-width: 160px;
}

.navbar-inverse .dropdown-menu > li > a {
    color: var(--gray-700) !important;
    padding: 8px 20px;
    font-size: 14px;
}

.navbar-inverse .dropdown-menu > li > a:hover {
    background: var(--gray-100) !important;
    color: var(--primary) !important;
}

.navbar-right .navbar-nav > li > a {
    color: rgba(255,255,255,.7) !important;
    font-size: 13px;
}

/* ---------- 主体容器 ---------- */
.body-content {
    margin-top: 80px !important;
    padding-bottom: 40px;
}

/* ---------- 首页 Hero ---------- */
.jumbotron {
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 50%, #EC4899 100%);
    color: #fff;
    border-radius: var(--radius);
    padding: 60px 40px;
    margin-top: 10px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.jumbotron::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,.08);
    border-radius: 50%;
}

.jumbotron::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,.05);
    border-radius: 50%;
}

.jumbotron h1 {
    font-weight: 800;
    font-size: 42px;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

.jumbotron .lead {
    font-size: 18px;
    opacity: .9;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.jumbotron .btn {
    padding: 12px 32px;
    font-size: 16px;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    letter-spacing: .5px;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    margin: 5px;
}

.jumbotron .btn-primary {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(0,0,0,.15);
}

.jumbotron .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,.2);
    background: #fff;
    color: var(--primary-dark);
}

.jumbotron .btn-success {
    background: rgba(255,255,255,.2);
    color: #fff;
    border: 2px solid rgba(255,255,255,.5);
}

.jumbotron .btn-success:hover {
    background: rgba(255,255,255,.3);
    transform: translateY(-2px);
    color: #fff;
}

.jumbotron .btn-warning {
    background: rgba(255,255,255,.15);
    color: #fff;
    border: 2px solid rgba(255,255,255,.4);
}

.jumbotron .btn-warning:hover {
    background: rgba(255,255,255,.25);
    transform: translateY(-2px);
    color: #fff;
}

/* ---------- 登录页 ---------- */
.login-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px 35px;
    margin-top: 30px;
}

.login-card h2 {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.login-card .login-subtitle {
    color: var(--gray-500);
    margin-bottom: 25px;
}

.login-card .form-control {
    border-radius: var(--radius-sm);
    border: 2px solid var(--gray-200);
    padding: 10px 14px;
    font-size: 14px;
    transition: var(--transition);
}

.login-card .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74,108,247,.15);
}

.login-card select.form-control {
    cursor: pointer;
}

.login-card .btn-primary {
    background: var(--primary);
    border: none;
    border-radius: var(--radius-sm);
    padding: 11px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .5px;
    transition: var(--transition);
}

.login-card .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74,108,247,.3);
}

/* ---------- 页面标题 ---------- */
h2 {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

h2 small {
    color: var(--gray-500);
    font-weight: 400;
}

/* ---------- 统计卡片 ---------- */
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 25px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.stat-card:nth-child(1)::before { background: var(--primary); }
.stat-card:nth-child(2)::before { background: var(--success); }
.stat-card:nth-child(3)::before { background: var(--warning); }
.stat-card:nth-child(4)::before { background: var(--info); }

.stat-card .stat-number {
    font-size: 38px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card:nth-child(2) .stat-number {
    background: linear-gradient(135deg, var(--success-dark), var(--success));
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-card:nth-child(3) .stat-number {
    background: linear-gradient(135deg, #D97706, var(--warning));
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-card:nth-child(4) .stat-number {
    background: linear-gradient(135deg, #3B82F6, var(--info));
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-card .stat-label {
    color: var(--gray-500);
    margin-top: 5px;
    font-size: 14px;
    font-weight: 500;
}

/* ---------- Panel 面板 ---------- */
.panel {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.panel-heading {
    background: var(--gray-100) !important;
    border-bottom: 1px solid var(--gray-200);
    color: var(--dark) !important;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 20px;
}

.panel-body {
    padding: 20px;
}

.panel-primary > .panel-heading {
    background: var(--primary) !important;
    color: #fff !important;
    border-bottom: none;
}

.panel-info > .panel-heading {
    background: var(--info) !important;
    color: #fff !important;
    border-bottom: none;
}

/* ---------- 表格 ---------- */
.table {
    margin-bottom: 0;
}

.table > thead > tr > th {
    background: var(--gray-100);
    border-bottom: 2px solid var(--gray-200);
    color: var(--gray-700);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .5px;
    padding: 12px 15px;
}

.table > tbody > tr > td {
    padding: 12px 15px;
    vertical-align: middle;
    border-top: 1px solid var(--gray-200);
}

.table-striped > tbody > tr:nth-of-type(odd) {
    background: var(--gray-50);
}

.table-hover > tbody > tr:hover {
    background: #EFF6FF !important;
}

/* ---------- 按钮 ---------- */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 18px;
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74,108,247,.25);
}

.btn-success {
    background: var(--success-dark);
    border-color: var(--success-dark);
}

.btn-success:hover {
    background: #059669;
    border-color: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16,185,129,.25);
}

.btn-warning {
    background: #F59E0B;
    border-color: #F59E0B;
}

.btn-warning:hover {
    background: #D97706;
    border-color: #D97706;
    transform: translateY(-1px);
}

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

.btn-danger:hover {
    background: var(--danger-dark);
    border-color: var(--danger-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239,68,68,.25);
}

.btn-info {
    background: var(--info);
    border-color: var(--info);
}

.btn-info:hover {
    background: #3B82F6;
    border-color: #3B82F6;
    transform: translateY(-1px);
}

.btn-default {
    background: #fff;
    border-color: var(--gray-300);
    color: var(--gray-700);
}

.btn-default:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
    color: var(--dark);
}

.btn-xs {
    padding: 3px 10px;
    font-size: 12px;
}

.btn-sm {
    padding: 5px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 16px;
}

/* ---------- 表单 ---------- */
.form-control {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 14px;
    transition: var(--transition);
}
select.form-control {
    padding:0
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74,108,247,.12);
}

.form-inline .form-group {
    margin-right: 10px;
}

.form-inline .btn {
    margin-right: 5px;
}

label.control-label {
    font-weight: 600;
    color: var(--gray-700);
}

/* ---------- Label 标签 ---------- */
.label {
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .3px;
}

.label-success { background: var(--success-dark); }
.label-danger  { background: var(--danger-dark); }
.label-warning { background: #F59E0B; }
.label-info    { background: var(--info); }
.label-default { background: var(--gray-300); color: var(--gray-700); }

/* ---------- Alert ---------- */
.alert {
    border-radius: var(--radius-sm);
    border: none;
    padding: 15px 20px;
    box-shadow: var(--shadow-sm);
}

.alert-success { background: #D1FAE5; color: #065F46; }
.alert-danger  { background: #FEE2E2; color: #991B1B; }
.alert-info    { background: #DBEAFE; color: #1E40AF; }
.alert-warning { background: #FEF3C7; color: #92400E; }

/* ---------- 分页 ---------- */
.pagination > li > a {
    border-radius: var(--radius-sm) !important;
    margin: 0 3px;
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
    padding: 8px 14px;
    transition: var(--transition);
}

.pagination > li > a:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
    color: var(--primary);
}

.pagination > .active > a,
.pagination > .active > a:hover {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}

/* ---------- 评分滑块 ---------- */
#scoreSlider {
    -webkit-appearance: none;
    appearance: none;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right, #DBEAFE, var(--primary));
    outline: none;
    margin: 10px 0;
}

#scoreSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

#scoreSlider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.special-slider {
    background: linear-gradient(to right, #D1FAE5, var(--success-dark)) !important;
}

.special-slider::-webkit-slider-thumb {
    border-color: var(--success-dark) !important;
}

/* ---------- 轮播图 ---------- */
.carousel-inner > .item > img {
    margin: 0 auto;
    border-radius: var(--radius-sm);
}

.carousel-control {
    background: none !important;
}

.carousel-control .glyphicon {
    background: rgba(0,0,0,.4);
    border-radius: 50%;
    padding: 12px;
    width: 44px;
    height: 44px;
}

/* ---------- 页脚 ---------- */
.site-footer {
    background: #fff;
    border-top: 1px solid var(--gray-200);
    padding: 20px 0;
    margin-top: 40px;
    text-align: center;
    color: var(--gray-500);
    font-size: 13px;
}

/* ---------- 辅助 ---------- */
.text-muted { color: var(--gray-500) !important; }

.panel-body .btn + .btn {
    margin-left: 6px;
}

.quick-actions .btn {
    margin: 4px;
    min-width: 120px;
}

hr {
    border-color: var(--gray-200);
}

/* ---------- 筛选栏 ---------- */
.filter-bar {
    background: #fff;
    padding: 15px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    border: 1px solid var(--gray-200);
}

.filter-bar .form-control {
    min-width: 180px;
}

/* ---------- 响应式微调 ---------- */
@media (max-width: 768px) {
    .jumbotron h1 { font-size: 28px; }
    .jumbotron .lead { font-size: 15px; }
    .jumbotron .btn { padding: 10px 24px; font-size: 14px; }
    .stat-card .stat-number { font-size: 30px; }
    .body-content { margin-top: 70px !important; }
    .login-card { margin-top: 15px; padding: 25px 20px; }
}