@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400;1,700&family=Spectral:ital,wght@0,300;0,400;1,300&family=Space+Grotesk:wght@300;400;500&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --black:#080706;
  --dark:#100e0c;
  --dark2:#1a1714;
  --cream:#f5f0e8;
  --cream2:#ede7da;
  --warm:#c9b99a;
  --gold:#c8973a;
  --gold2:#e8b95a;
  --rust:#9c3d1e;
  --ink:#1c1714;
  --muted:#8a7d6e;
  --muted2:#b5a898;
  --serif:'Playfair Display',serif;
  --body:'Spectral',serif;
  --sans:'Space Grotesk',sans-serif;
  --border:rgba(200,151,58,.15);
  --success:#4a6741;
  --error:#9c3d1e;
}

html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--cream);color:var(--ink);min-height:100vh;font-weight:300;font-size:16px}

/* NAV */
.lab-nav{background:var(--dark);padding:1rem 2.5rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}
.lab-nav-brand{font-family:var(--serif);font-size:1rem;font-style:italic;color:var(--gold2);text-decoration:none}
.lab-nav-back{font-family:var(--sans);font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.35);text-decoration:none;transition:color .2s}
.lab-nav-back:hover{color:var(--gold)}

/* PAGE HEADER */
.lab-header{background:var(--dark2);padding:3.5rem 2.5rem 3rem;border-bottom:1px solid var(--border)}
.lab-eyebrow{font-family:var(--sans);font-size:.58rem;letter-spacing:.45em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:.7rem}
.lab-title{font-family:var(--serif);font-size:clamp(2rem,5vw,3.5rem);color:#fff;line-height:1;font-weight:700}
.lab-title em{font-style:italic;color:var(--gold2);font-weight:400}
.lab-subtitle{font-family:var(--body);font-size:.95rem;font-style:italic;color:rgba(255,255,255,.35);margin-top:.6rem;max-width:560px;line-height:1.7}

/* MAIN CONTAINER */
.lab-main{max-width:900px;margin:0 auto;padding:3rem 2rem 5rem}

/* CARD */
.lab-card{background:#fff;border:1px solid var(--cream2);padding:2rem 2.2rem;margin-bottom:2rem;position:relative}
.lab-card::before{content:'';position:absolute;top:0;left:0;width:3px;height:100%;background:var(--gold)}
.lab-card-title{font-family:var(--serif);font-size:1.3rem;font-weight:700;color:var(--ink);margin-bottom:.3rem}
.lab-card-desc{font-size:.85rem;color:var(--muted);line-height:1.7;margin-bottom:1.5rem}

/* FORM ELEMENTS */
.form-group{margin-bottom:1.4rem}
.form-label{font-family:var(--sans);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.45rem}
.form-label .req{color:var(--gold);margin-left:2px}
.form-control{width:100%;font-family:var(--body);font-size:.95rem;font-weight:300;color:var(--ink);background:var(--cream);border:1px solid var(--cream2);padding:.65rem .9rem;outline:none;transition:border-color .25s,box-shadow .25s;appearance:none}
.form-control:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,151,58,.1)}
.form-control.error-field{border-color:var(--rust)!important}
select.form-control{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c8973a' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .8rem center;padding-right:2.2rem;cursor:pointer}
textarea.form-control{min-height:130px;resize:vertical}
.form-hint{font-family:var(--sans);font-size:.6rem;color:var(--muted2);margin-top:.3rem;letter-spacing:.03em}
.form-error{font-family:var(--sans);font-size:.6rem;color:var(--rust);margin-top:.3rem;display:none}
.form-error.show{display:block}

/* RADIO / CHECKBOX */
.form-radio-group,.form-check-group{display:flex;flex-wrap:wrap;gap:.5rem .9rem;margin-top:.2rem}
.form-radio,.form-check{display:flex;align-items:center;gap:.4rem;cursor:pointer;font-family:var(--sans);font-size:.72rem;color:var(--ink)}
.form-radio input,.form-check input{accent-color:var(--gold);width:14px;height:14px;cursor:pointer}

/* SUBMIT BUTTON */
.btn{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--sans);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;padding:.9rem 2.5rem;cursor:pointer;transition:all .3s;border:none;position:relative;overflow:hidden;text-decoration:none}
.btn-primary{background:var(--gold);color:var(--black)}
.btn-primary:hover{background:var(--gold2)}
.btn-outline{background:transparent;border:1px solid var(--gold);color:var(--gold)}
.btn-outline:hover{background:var(--gold);color:var(--black)}
.btn-sm{padding:.5rem 1.3rem;font-size:.6rem}

/* RESULTS TABLE */
.results-wrap{overflow-x:auto;margin-top:2rem}
.results-table{width:100%;border-collapse:collapse;font-size:.82rem}
.results-table th{font-family:var(--sans);font-size:.57rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);background:var(--dark);padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
.results-table th a{color:var(--gold);text-decoration:none}
.results-table th a:hover{color:var(--gold2)}
.results-table th .sort-arrow{margin-left:.3rem;opacity:.4}
.results-table th.sorted .sort-arrow{opacity:1}
.results-table td{padding:.65rem 1rem;border-bottom:1px solid rgba(200,151,58,.07);color:var(--ink);vertical-align:top}
.results-table tr:hover td{background:rgba(200,151,58,.04)}
.results-table .badge{display:inline-block;font-family:var(--sans);font-size:.53rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--border);padding:.1rem .4rem;color:var(--muted)}

/* PAGINATION */
.pagination{display:flex;align-items:center;gap:.4rem;margin-top:1.8rem;flex-wrap:wrap}
.pagination a,.pagination span{font-family:var(--sans);font-size:.62rem;letter-spacing:.1em;padding:.45rem .85rem;border:1px solid var(--border);text-decoration:none;color:var(--muted);transition:all .2s}
.pagination a:hover{border-color:var(--gold);color:var(--gold)}
.pagination .current{background:var(--gold);border-color:var(--gold);color:var(--black)}
.pagination .disabled{opacity:.3;pointer-events:none}
.page-info{font-family:var(--sans);font-size:.6rem;color:var(--muted2);margin-left:auto}

/* ALERTS */
.alert{padding:.9rem 1.2rem;margin-bottom:1.2rem;border-left:3px solid;font-size:.85rem}
.alert-success{background:rgba(74,103,65,.08);border-color:var(--success);color:var(--success)}
.alert-error{background:rgba(156,61,30,.08);border-color:var(--error);color:var(--error)}
.alert-info{background:rgba(200,151,58,.08);border-color:var(--gold);color:#8a6020}

/* ENV VAR TABLE */
.env-table{width:100%;border-collapse:collapse;font-size:.78rem;margin-top:1rem}
.env-table td{padding:.45rem .8rem;border-bottom:1px solid var(--cream2);vertical-align:top}
.env-table td:first-child{font-family:var(--sans);font-size:.6rem;letter-spacing:.08em;color:var(--muted);white-space:nowrap;width:220px}
.env-table td:last-child{font-family:monospace;font-size:.78rem;color:var(--ink);word-break:break-all}

/* TEXTAREA FASTA */
.fasta-area{font-family:monospace;font-size:.78rem;line-height:1.6;background:#fff;min-height:180px}

/* DIVIDER */
.lab-divider{height:1px;background:var(--border);margin:2rem 0}
.lab-section-label{font-family:var(--sans);font-size:.58rem;letter-spacing:.4em;text-transform:uppercase;color:var(--gold);margin-bottom:1.2rem;display:block}

/* TABS */
.tabs{display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:2rem}
.tab-btn{font-family:var(--sans);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;padding:.75rem 1.5rem;background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;color:var(--muted);transition:all .2s;margin-bottom:-1px}
.tab-btn.active{color:var(--gold);border-bottom-color:var(--gold)}
.tab-panel{display:none}.tab-panel.active{display:block}

/* CODE block */
.code-block{background:var(--dark);color:#e8dcc8;font-family:monospace;font-size:.78rem;padding:1.2rem;overflow-x:auto;line-height:1.7;border-left:3px solid var(--gold)}

/* ER DIAGRAM PAGE */
.er-container{max-width:1100px;margin:0 auto;padding:3rem 2rem 5rem}
.er-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-top:2rem}
.er-entity{background:#fff;border:1px solid var(--cream2);position:relative}
.er-entity::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold)}
.er-entity-name{font-family:var(--serif);font-size:1.1rem;font-weight:700;padding:.8rem 1.2rem;border-bottom:1px solid var(--cream2);background:var(--cream);display:flex;align-items:center;gap:.5rem}
.er-entity-icon{font-size:1rem}
.er-fields{list-style:none;padding:.5rem 0}
.er-fields li{display:flex;align-items:center;gap:.6rem;padding:.3rem 1.2rem;font-size:.82rem;border-bottom:1px solid rgba(200,151,58,.05)}
.er-fields li:last-child{border-bottom:none}
.er-field-key{font-family:var(--sans);font-size:.5rem;letter-spacing:.1em;text-transform:uppercase;padding:.1rem .35rem;border:1px solid var(--border)}
.er-field-pk{color:var(--gold);border-color:var(--gold);background:rgba(200,151,58,.07)}
.er-field-fk{color:var(--muted);border-color:var(--border)}
.er-rel{background:var(--cream2);border:1px solid var(--border);padding:1rem 1.2rem;margin-top:1.2rem;font-size:.82rem}
.er-rel-title{font-family:var(--sans);font-size:.55rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-bottom:.6rem}
.er-rel-item{display:flex;align-items:center;gap:.5rem;padding:.2rem 0;color:var(--muted)}
.er-rel-arrow{color:var(--gold);font-family:monospace}