:root{
    --bg:#f5f1ea;
    --panel:#fffaf3;
    --text:#2a2118;
    --muted:#776b5f;
    --line:#e4d6c4;
    --accent:#b88745;
    --accent-dark:#7b5525;
    --danger:#a73333;
    --shadow:0 20px 60px rgba(61,43,22,.12);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(135deg,#f8f1e7,#fffaf3);color:var(--text)}
a{color:inherit;text-decoration:none}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card,.panel{background:rgba(255,250,243,.92);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.login-card{width:min(420px,100%);padding:34px}
.brand-mark{width:58px;height:58px;border-radius:18px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:18px;letter-spacing:.05em}
h1,h2{margin:.2em 0 .55em}p{line-height:1.55}.muted,.hint{color:var(--muted)}
.alert{background:#fff0f0;border:1px solid #e9b2b2;color:var(--danger);padding:12px 14px;border-radius:14px;margin:14px 0}
.form-stack{display:grid;gap:16px}label{display:grid;gap:7px;font-weight:650}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 13px;background:#fff;color:var(--text);font:inherit}textarea{resize:vertical}
.primary-btn,.secondary-btn,.danger-btn,.picker button{border:0;border-radius:14px;padding:12px 16px;font-weight:750;cursor:pointer;font:inherit}
.primary-btn{background:var(--accent);color:#fff}.primary-btn:hover{background:var(--accent-dark)}
.secondary-btn,.picker button{background:#efe3d3;color:var(--text)}.danger-btn{background:#f3d7d7;color:var(--danger)}
.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:16px 24px;background:rgba(255,250,243,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar strong{display:block}.topbar span{color:var(--muted);font-size:.92rem}.topbar nav{display:flex;gap:14px;flex-wrap:wrap}.topbar a{font-weight:750;color:var(--accent-dark)}
.container{width:min(1160px,100%);margin:0 auto;padding:28px 18px}.panel{padding:24px}.hero-panel{margin-bottom:20px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}.tool-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.tool-card span{color:var(--accent-dark);font-weight:800}
.two-col{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:22px;align-items:start}.preview-panel{position:sticky;top:90px}.mode-switch{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}.mode-switch label{display:flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 14px}.mode-switch input{width:auto}.field-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field-group label:has(textarea){grid-column:1/-1}.is-hidden{display:none!important}.dynamic-box{border:1px dashed var(--line);border-radius:18px;padding:16px;background:#fffdf8}.dynamic-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.dynamic-title h2{font-size:1.05rem;margin:0}.dynamic-item{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end;border-top:1px solid var(--line);padding-top:12px;margin-top:12px}.dynamic-item:first-child{border-top:0;padding-top:0;margin-top:0}.picker{display:flex;gap:10px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:16px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.qr-preview{min-height:390px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;margin:12px 0;padding:16px;overflow:hidden}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
@media (max-width:860px){.two-col{grid-template-columns:1fr}.preview-panel{position:static}.field-group,.settings-grid{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.dynamic-item{grid-template-columns:1fr}}
.success{background:#eff9ef;border:1px solid #b6d9b6;color:#2f6f32;padding:12px 14px;border-radius:14px;margin:14px 0}
.table-wrap{width:100%;overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
.data-table{width:100%;border-collapse:collapse;min-width:860px}
.data-table th,.data-table td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.data-table th{background:#f1e4d3;color:var(--accent-dark);font-size:.92rem}
.data-table tr:last-child td{border-bottom:0}
.short-link{font-weight:800;color:var(--accent-dark);word-break:break-all}
.original-url{display:inline-block;max-width:460px;word-break:break-all}
.actions-cell{display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap}
.actions-cell form{margin:0}.shorturl-form-panel{margin-bottom:20px}
small{color:var(--muted)}