/* Minimalist white theme */
:root{
  --bg:#ffffff; --fg:#111; --muted:#666; --line:#eee; --primary:#0a84ff; --accent:#1ea97c;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans",sans-serif}
.app-header{height:80px;padding:0;border-bottom:1px solid var(--line);background:#f0f0f0}
.header-inner{max-width:1200px;margin:0 auto;padding:0 12px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.app-header h1{font-size:30px;margin:0;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.main-nav{display:flex;gap:0;flex:1;justify-content:flex-end;margin-left:auto}
.tab-btn{border:none;background:transparent;padding:12px 18px;cursor:pointer;border-bottom:3px solid transparent;font-size:16px;color:var(--fg);transition:.15s;white-space:nowrap;font-weight:500}
.tab-btn:hover{background:#e8e8e8}
.tab-btn.active{border-bottom-color:var(--primary);color:var(--primary);font-weight:600}
.header-actions{display:flex;gap:8px}
.layout{max-width:1200px;margin:12px auto;padding:0 12px}
.content{min-height:60vh}
.tab-panel{display:none;padding:20px 0}
.tab-panel.active{display:block}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px;margin-bottom:20px;box-shadow:0 4px 16px rgba(0,0,0,.03)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
label{display:flex;flex-direction:column;gap:8px;font-weight:600;font-size:16px}
input,select,textarea{border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff;color:var(--fg);font-size:16px}
textarea{resize:vertical;min-height:100px}
.inline{display:flex;gap:8px;align-items:center}
.actions{display:flex;gap:8px;margin-top:12px;justify-content:flex-end}
button{border:none;background:var(--primary);color:#fff;padding:10px 14px;border-radius:10px;cursor:pointer;font-size:16px}
button.ghost{background:#f7f7f7;color:#111;border:1px solid var(--line)}
button:hover{filter:brightness(0.98)}
.result{white-space:pre-wrap;font-size:16px}
.result:empty{display:none}
.app-footer{text-align:center;color:var(--muted);padding:24px;border-top:1px solid var(--line);font-size:12px}
.hint{font-size:12px;text-align: center;color:var(--muted);margin:8px 0 0}
small.hint{font-size:12px;display:block;margin-top:4px}
.table{width:100%;border-collapse:collapse;margin:12px auto;max-width:900px}
.table th,.table td{border-bottom:1px solid var(--line);padding:8px;text-align:center;font-size:16px}
.table th:first-child,.table td:first-child{text-align:center}
.table tbody tr{transition:background 0.15s}
.table tbody tr:hover{background:#f5f5f5}
.badge{display:inline-block;padding:2px 6px;border-radius:6px;background:#f2f7ff;color:#0a84ff;border:1px solid #e0ecff}

/* Login page */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#fff,#fafafa)}
.login-card{width:360px;max-width:92vw;border:1px solid var(--line);border-radius:12px;padding:20px;background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.04)}
.login-card{width:360px;max-width:92vw;border:1px solid var(--line);border-radius:12px;padding:20px;background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.04);position:relative;}
.login-card-center{display:flex;flex-direction:column;justify-content:center;align-items:center;}
.login-card h1{margin:0 0 8px 0;font-size:18px}
.login-card h1,.login-title{margin:0 0 8px 0;font-size:24px;text-align:center;letter-spacing:1px}
.login-card .muted{color:var(--muted)}
.login-card input{width:100%;margin:12px 0}

/* Toasts */
.toast-box{position:fixed;right:16px;top:16px;display:flex;flex-direction:column;gap:8px;z-index:9999}
.toast{opacity:0;transform:translateY(-6px);transition:.2s;min-width:160px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.06)}
.toast.show{opacity:1;transform:translateY(0)}
.toast.info{border-color:#dbe8ff;color:#0a84ff;background:#f5f9ff}
.toast.success{border-color:#cfe9dc;color:#0d8a62;background:#f1fbf6}
.toast.error{border-color:#ffd3d3;color:#b10000;background:#fff5f5}

/* Modal */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:9998}
.modal{width:800px;max-width:94vw;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 14px 40px rgba(0,0,0,.15)}
.modal-hd{padding:12px 14px;font-weight:700;border-bottom:1px solid var(--line)}
.modal-bd{padding:14px}
.modal-ft{padding:12px 14px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end}

/* Result Tables */
.info-table{width:100%;border-collapse:collapse;margin:12px 0}
.info-table td{padding:10px 12px;border-bottom:1px solid var(--line);font-size:16px}
.info-table td:first-child{font-weight:600;width:140px;color:var(--muted)}
.info-table td:last-child{text-align:right}
.schedule-table{width:100%;border-collapse:collapse;margin:12px 0;background:#fff}
.schedule-table thead{background:#f7f7f7;border-bottom:2px solid var(--line)}
.schedule-table th{padding:10px 12px;text-align:right;font-size:16px;font-weight:600}
.schedule-table th:first-child{text-align:center}
.schedule-table td{padding:8px 12px;border-bottom:1px solid #f5f5f5;text-align:right;font-size:15px}
.schedule-table td:first-child{text-align:center;font-weight:600;color:var(--primary)}
.schedule-table tbody tr:hover{background:#fafafa}