:root{
 --bg:#f7f8fa;--surface:#fff;--surface-soft:#f1f3f6;--ink:#17202a;--muted:#697381;
 --line:#e1e5ea;--accent:#234a73;--accent-soft:#eaf0f6;--danger:#b3432f;--danger-soft:#faeceb;
 --shadow:0 8px 30px rgba(21,32,43,.06);--radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
button,input,textarea,select{font:inherit}button{cursor:pointer}

/* ---- Login screen ---- */
.login-screen{min-height:100dvh;display:grid;place-items:center;padding:20px}
.login-box{width:min(380px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}
.login-box h1{font-family:Georgia,serif;font-size:24px;font-weight:500;margin-bottom:6px}
.login-box p{color:var(--muted);font-size:13px;margin-bottom:20px}
.field{display:grid;gap:6px;margin-bottom:12px}
.field label{font-size:11px;color:var(--muted)}
.field input,.field textarea,.field select{border:1px solid var(--line);background:#fafbfc;border-radius:8px;padding:11px;color:var(--ink);width:100%;outline:none}
.field textarea{min-height:80px;resize:vertical}
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 15px;border-radius:9px;font-size:13px;font-weight:650}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.danger{background:var(--danger-soft);border-color:#f1cdc6;color:var(--danger)}
.btn.block{width:100%}
.btn.small{padding:6px 10px;font-size:11px}
.btn:hover{box-shadow:var(--shadow)}
.error-text{color:var(--danger);font-size:12px;margin-top:10px;display:none}
.error-text.show{display:block}

/* ---- Dashboard shell ---- */
.dash{display:none;min-height:100dvh;grid-template-columns:220px 1fr}
.dash.show{display:grid}
.sidebar{background:#fff;border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;gap:4px}
.sidebar .brand{font-family:Georgia,serif;font-weight:700;font-size:16px;margin-bottom:18px}
.sidebar button{border:0;background:none;text-align:left;padding:11px 12px;border-radius:9px;color:#596473;font-size:13px}
.sidebar button.active,.sidebar button:hover{background:var(--accent-soft);color:var(--accent);font-weight:700}
.sidebar .signout{margin-top:auto;color:var(--danger)}
.content{padding:26px 30px;overflow:auto}
.content-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px}
.content-head h2{font-family:Georgia,serif;font-size:22px;font-weight:500}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* ---- Table ---- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:12px 14px;background:var(--surface-soft);color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}
td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
td.muted{color:var(--muted)}
.row-actions{display:flex;gap:6px;white-space:nowrap}
.badge{background:var(--accent-soft);color:var(--accent);border-radius:6px;padding:3px 8px;font-size:10px;font-weight:700}
.badge.pending{background:#fdf3e0;color:#8a5b12}
.badge.approved{background:#e7f4ec;color:#256a45}
.badge.rejected{background:var(--danger-soft);color:var(--danger)}
.empty-row td{text-align:center;color:var(--muted);padding:30px}

/* ---- Modal ---- */
.modal{position:fixed;inset:0;z-index:100;background:rgba(20,28,36,.3);display:none;align-items:center;justify-content:center;padding:15px}
.modal.show{display:flex}
.modal-box{width:min(480px,100%);max-height:90vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.modal-head b{font-family:Georgia,serif;font-size:19px;font-weight:500}
.close{border:0;background:#f0f2f4;color:#68727d;width:30px;height:30px;border-radius:8px}
.modal-actions{display:flex;gap:8px;margin-top:16px}
.modal-actions .btn{flex:1}

.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,15px);opacity:0;background:#17202a;color:#fff;padding:10px 14px;border-radius:8px;font-size:11px;z-index:120;transition:.2s}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:760px){
  .dash{grid-template-columns:1fr}
  .sidebar{position:sticky;top:0;z-index:20;flex-direction:row;overflow-x:auto;padding:10px}
  .sidebar .brand{display:none}
  .sidebar .signout{margin-top:0}
  .content{padding:16px}
  table{font-size:12px}
}