/* ============ 伟贤大学教务管理系统 - 官方蓝风格 ============ */
:root{
  --blue:#1157a6; --blue-dark:#0c4382; --blue-deep:#0a3568; --blue-light:#e8f1fb;
  --bg:#f3f6fa; --border:#dde5ee; --text:#28313f; --muted:#7b8794;
  --red:#d93a3a; --green:#1f9d55; --orange:#e08a00;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:14px;color:var(--text);background:var(--bg)}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit;font-size:14px;border:1px solid var(--border);border-radius:4px;padding:7px 10px;outline:none;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{border-color:var(--blue)}
a{color:var(--blue);text-decoration:none}

/* ---------- 按钮 ---------- */
.btn{border:1px solid var(--border);background:#fff;color:var(--text);padding:7px 16px;border-radius:4px;font-size:14px;transition:.15s}
.btn:hover{border-color:var(--blue);color:var(--blue)}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);color:#fff}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-danger:hover{opacity:.88;color:#fff}
.btn-danger-line{color:var(--red);border-color:#f0c4c4}
.btn-danger-line:hover{border-color:var(--red);color:var(--red)}
.btn-block{width:100%;padding:11px;font-size:16px;letter-spacing:6px}
.btn-mini{padding:3px 10px;font-size:12px}
.btn-link{border:none;background:none;color:var(--blue);padding:2px 6px;font-size:13px}
.btn-link:hover{text-decoration:underline}
.btn-link.danger{color:var(--red)}

/* ---------- 登录页 ---------- */
#loginPage{min-height:100vh;display:flex;flex-direction:column;position:relative}
.login-bg{position:fixed;inset:0;background:linear-gradient(135deg,#0a3568 0%,#1157a6 55%,#2f7cd0 100%);z-index:-1}
.login-bg::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 75% 30%,rgba(255,255,255,.10),transparent 55%)}
.login-topbar{padding:26px 60px}
.login-brand{display:flex;align-items:center;gap:14px;color:#fff}
.login-brand .logo{font-size:44px}
.login-brand h1{font-size:26px;letter-spacing:2px}
.login-brand p{font-size:11px;opacity:.75;letter-spacing:1px;margin-top:3px}
.login-main{flex:1;display:flex;align-items:center;justify-content:center;gap:80px;padding:20px 60px;flex-wrap:wrap}
.login-banner{color:#fff;max-width:520px}
.banner-slide{font-size:22px;font-weight:bold;min-height:70px;line-height:1.6;border-left:4px solid #ffd04d;padding-left:16px;margin-bottom:30px}
.login-points{list-style:none;font-size:15px;line-height:2.4;opacity:.92}
.login-card{background:#fff;width:400px;border-radius:8px;padding:34px 38px;box-shadow:0 12px 40px rgba(0,20,60,.35)}
.login-card h2{text-align:center;color:var(--blue-deep);margin-bottom:20px;letter-spacing:4px}
.role-tabs{display:flex;border:1px solid var(--border);border-radius:5px;overflow:hidden;margin-bottom:20px}
.role-tabs span{flex:1;text-align:center;padding:9px 0;background:#f7f9fc;border-right:1px solid var(--border);color:var(--muted)}
.role-tabs span:last-child{border-right:none}
.role-tabs span.active{background:var(--blue);color:#fff}
.form-item{margin-bottom:16px}
.form-item label{display:block;margin-bottom:6px;color:var(--muted);font-size:13px}
.form-item input,.form-item select,.form-item textarea{width:100%}
.login-tip{margin-top:16px;font-size:12px;color:var(--muted);line-height:1.9;background:var(--blue-light);padding:10px 12px;border-radius:5px}
.login-footer{text-align:center;color:rgba(255,255,255,.65);font-size:12px;padding:18px}

/* ---------- 主界面 ---------- */
.topbar{height:58px;background:linear-gradient(90deg,var(--blue-deep),var(--blue));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,30,80,.25)}
.topbar-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:bold;letter-spacing:1px}
.topbar-brand .logo{font-size:26px}
.sem-badge{font-size:12px;font-weight:normal;background:rgba(255,255,255,.18);padding:3px 10px;border-radius:20px;margin-left:8px}
.topbar-user{display:flex;align-items:center;gap:10px;font-size:13px}
.topbar-user .btn-mini{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35);color:#fff}
.topbar-user .btn-mini:hover{background:rgba(255,255,255,.25)}
.layout{display:flex;min-height:calc(100vh - 58px)}
.sidebar{width:212px;background:#fff;border-right:1px solid var(--border);padding:12px 0;flex-shrink:0}
.sb-user{display:none}
#sidebarMask{display:none}
.menu-toggle{display:none}
.menu-group{margin-bottom:6px}
.menu-group>.mg-title{padding:9px 18px;font-size:12px;color:var(--muted);font-weight:bold}
.menu-item{display:block;padding:9px 18px 9px 30px;color:var(--text);font-size:13.5px;border-left:3px solid transparent;cursor:pointer}
.menu-item:hover{background:var(--blue-light);color:var(--blue)}
.menu-item.active{background:var(--blue-light);color:var(--blue);border-left-color:var(--blue);font-weight:bold}
.content{flex:1;padding:18px 22px;overflow-x:auto;min-width:0}

/* ---------- 页面元素 ---------- */
.page-title{font-size:18px;font-weight:bold;color:var(--blue-deep);padding-bottom:12px;border-bottom:2px solid var(--blue);margin-bottom:16px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.page-title .toolbar{display:flex;gap:8px;flex-wrap:wrap}
.card{background:#fff;border:1px solid var(--border);border-radius:6px;padding:16px 18px;margin-bottom:16px}
.card h3{font-size:15px;color:var(--blue-deep);margin-bottom:12px;padding-left:8px;border-left:3px solid var(--blue)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* 统计卡 */
.stat-card{background:linear-gradient(135deg,var(--blue),#2f7cd0);color:#fff;border-radius:6px;padding:18px}
.stat-card.green{background:linear-gradient(135deg,#1f9d55,#38b26f)}
.stat-card.orange{background:linear-gradient(135deg,#e08a00,#f0a92e)}
.stat-card.purple{background:linear-gradient(135deg,#6b4fbb,#8a6fd8)}
.stat-card .num{font-size:30px;font-weight:bold}
.stat-card .lbl{font-size:13px;opacity:.85;margin-top:4px}

/* 表格 */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;background:#fff}
.tbl th{background:#eef4fb;color:var(--blue-deep);font-weight:bold;padding:10px 8px;border:1px solid var(--border);font-size:13px;white-space:nowrap}
.tbl td{padding:9px 8px;border:1px solid var(--border);font-size:13px;text-align:center}
.tbl tr:nth-child(even) td{background:#fafcff}
.tbl tr:hover td{background:var(--blue-light)}
.tbl .left{text-align:left}
.empty{padding:40px;text-align:center;color:var(--muted)}

/* 徽章 */
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px}
.b-blue{background:var(--blue-light);color:var(--blue)}
.b-green{background:#e4f5ec;color:var(--green)}
.b-red{background:#fdeaea;color:var(--red)}
.b-orange{background:#fdf3e0;color:var(--orange)}
.b-gray{background:#eef1f5;color:var(--muted)}

/* 课表 */
.timetable{width:100%;border-collapse:collapse;table-layout:fixed}
.timetable th{background:var(--blue);color:#fff;padding:8px 4px;border:1px solid #3d77b8;font-size:13px}
.timetable td{border:1px solid var(--border);vertical-align:top;height:64px;padding:3px;background:#fff}
.timetable .sec-col{background:#eef4fb;text-align:center;font-size:12px;color:var(--muted);width:78px;vertical-align:middle}
.tt-cell{background:var(--blue-light);border-left:3px solid var(--blue);border-radius:3px;padding:4px 6px;font-size:12px;line-height:1.5;margin-bottom:2px}
.tt-cell b{color:var(--blue-deep)}
.tt-cell.c2{background:#e4f5ec;border-left-color:var(--green)}
.tt-cell.c3{background:#fdf3e0;border-left-color:var(--orange)}
.tt-cell.c4{background:#f3eefc;border-left-color:#6b4fbb}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(10,30,60,.45);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:#fff;border-radius:8px;width:560px;max-width:96vw;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 16px 48px rgba(0,20,60,.3)}
.modal.wide{width:860px}
.modal-head{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;background:var(--blue);color:#fff;border-radius:8px 8px 0 0}
.modal-head h3{font-size:16px}
.modal-close{background:none;border:none;color:#fff;font-size:20px;line-height:1}
.modal-body{padding:20px;overflow-y:auto}
.modal-foot{padding:12px 20px;border-top:1px solid var(--border);text-align:right;display:flex;gap:10px;justify-content:flex-end}
.form-row{display:flex;gap:14px}
.form-row .form-item{flex:1}

/* Toast */
#toastRoot{position:fixed;top:74px;left:50%;transform:translateX(-50%);z-index:2000;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#fff;border:1px solid var(--border);border-left:4px solid var(--green);padding:10px 22px;border-radius:5px;box-shadow:0 6px 20px rgba(0,20,60,.15);font-size:14px;animation:fadeIn .25s}
.toast.err{border-left-color:var(--red)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1}}

/* 标签页 */
.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:16px;flex-wrap:wrap}
.tabs span{padding:9px 20px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px;font-size:14px}
.tabs span.active{color:var(--blue);border-bottom-color:var(--blue);font-weight:bold}

/* 进度条 */
.progress{background:#edf1f6;border-radius:20px;height:16px;overflow:hidden}
.progress>div{height:100%;background:linear-gradient(90deg,var(--blue),#4a94e0);border-radius:20px;color:#fff;font-size:11px;text-align:right;padding-right:8px;line-height:16px;min-width:30px}
.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.bar-row .bar-label{width:130px;text-align:right;font-size:13px;color:var(--muted);flex-shrink:0}
.bar-row .bar-track{flex:1;background:#edf1f6;border-radius:4px;height:22px}
.bar-row .bar-fill{height:100%;background:linear-gradient(90deg,var(--blue),#4a94e0);border-radius:4px;color:#fff;font-size:12px;line-height:22px;padding-left:8px;min-width:26px}

/* 描述列表 */
.desc{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--border);border-radius:6px;overflow:hidden}
.desc>div{display:flex;border-bottom:1px solid var(--border)}
.desc>div>span:first-child{width:130px;background:#eef4fb;padding:10px 14px;color:var(--muted);flex-shrink:0;font-size:13px}
.desc>div>span:last-child{padding:10px 14px;flex:1}
.notice-item{padding:13px 6px;border-bottom:1px dashed var(--border);display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.notice-item:hover .n-title{color:var(--blue)}
.notice-item .n-title{font-size:14px}
.notice-item .n-date{color:var(--muted);font-size:12px;flex-shrink:0;margin-left:12px}
.search-bar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.pager{display:flex;gap:6px;justify-content:flex-end;margin-top:12px;align-items:center;font-size:13px;color:var(--muted)}
.pager button{padding:4px 10px}
.print-doc{font-family:"SimSun","宋体",serif;color:#000;padding:40px 50px;line-height:2}
.print-doc h1{text-align:center;font-size:24px;color:#c00;letter-spacing:6px;margin-bottom:6px}
.print-doc .p-sub{text-align:center;border-bottom:2px solid #c00;padding-bottom:10px;margin-bottom:24px;font-size:16px;letter-spacing:2px}
.print-doc p{font-size:15px;text-indent:2em;margin-bottom:10px}
.print-doc .p-seal{text-align:right;margin-top:50px;line-height:2.2}
@media print{body>*{display:none!important}.print-doc{display:block!important}}