/* ═══════════════════════════════════════════════════════
   wireframe-auth.css — ResearchMate Wireframe Auth Pages
   Shared CSS for authentication pages (01, 02, 03).
   Requires: wireframe-base.css
   ═══════════════════════════════════════════════════════ */

/* ── Variable aliases (bridge auth naming → base vars) ── */
:root{
  --orange-dark:var(--od);
  --orange-light:var(--ol);
  --orange-mid:var(--om);
  --teal-light:var(--tl);
  --brown:#584446;
  --brown-dark:var(--bd);
  --brown-mid:var(--bm);
  --silver-light:var(--sl);
  --radius-sm:var(--r-sm);
  --radius-md:var(--r-md);
  --radius-lg:var(--r-lg);
  --radius-xl:var(--r-xl);
  --shadow-form:0 8px 40px rgba(88,68,70,.12);
  --shadow-card:0 1px 4px rgba(88,68,70,.08),0 4px 16px rgba(88,68,70,.06);
}

/* ── Base ── */
html,body{min-height:100%;font-family:'Plus Jakarta Sans',sans-serif;background:#F8F6F9;color:#261D1E}

/* ══════════════════════════════════════
   PAGE LAYOUT — split hero + form (sign-in / sign-up)
   ══════════════════════════════════════ */
.page{display:flex;min-height:100%}

/* ── Left Hero Panel ── */
.hero{
  width:48%;flex-shrink:0;position:relative;overflow:hidden;
  background:linear-gradient(150deg,#EB5D2F 0%,#C74720 45%,#584446 100%);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:48px 52px;
}

/* ── Node Animations ── */
.nodes{position:absolute;inset:0;pointer-events:none}
.node{position:absolute;border-radius:50%;background:rgba(255,255,255,.12);animation:pulse 4s ease-in-out infinite}
.node::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:1.5px solid rgba(255,255,255,.15)}
.connections{position:absolute;inset:0;pointer-events:none;opacity:.18}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.7}50%{transform:scale(1.4);opacity:1}}
@keyframes floatIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}

/* ── Hero Content ── */
.hero-top{position:relative;z-index:2}
.hero-logo{display:flex;align-items:center;gap:10px;margin-bottom:56px}
.hero-logo-mark{width:36px;height:36px;background:rgba(255,255,255,.2);border-radius:10px;display:flex;align-items:center;justify-content:center}
.hero-logo-text{font-size:18px;font-weight:800;color:#fff}
.hero-tagline{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:14px}
.hero-title{font-size:clamp(26px,3vw,36px);font-weight:800;color:#fff;line-height:1.2;margin-bottom:20px}
.hero-title span{color:#FFC72C}
.hero-desc{font-size:15px;font-weight:300;color:rgba(255,255,255,.8);line-height:1.7;max-width:380px}
.hero-bottom{position:relative;z-index:2}

/* ── Right Form Panel ── */
.form-panel{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:48px 40px;overflow-y:auto;background:#fff}
.form-wrap{width:100%;max-width:400px}
.form-header{margin-bottom:36px}
.form-eyebrow{font-size:12px;font-weight:600;color:var(--teal);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.form-title{font-size:26px;font-weight:800;color:var(--brown-dark);margin-bottom:6px}
.form-subtitle{font-size:14px;color:var(--brown-mid);font-weight:400;line-height:1.5}
.form-subtitle a{color:var(--orange);font-weight:600;text-decoration:none}
.form-subtitle a:hover{text-decoration:underline}

/* ── Social Auth ── */
.social-row{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.social-btn{width:100%;white-space:nowrap;display:flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border:1.5px solid #EDE9EE;border-radius:var(--radius-md);background:#fff;cursor:pointer;transition:all .15s;font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;font-weight:600;color:var(--brown-dark);text-decoration:none}
.social-btn:hover{border-color:var(--orange);background:var(--orange-light);color:var(--orange)}
.social-btn svg{flex-shrink:0}
.divider{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:#EDE9EE}
.divider span{font-size:12px;color:#C8C2CB;font-weight:500;white-space:nowrap}

/* ── Form Fields ── */
.field{margin-bottom:18px}
.field-label{display:block;font-size:12px;font-weight:700;color:var(--brown);letter-spacing:.04em;text-transform:uppercase;margin-bottom:7px}
.field-input-wrap{position:relative}
.field-input{width:100%;border:1.5px solid #EDE9EE;border-radius:var(--radius-md);padding:12px 14px;font-size:14px;font-family:'Plus Jakarta Sans',sans-serif;color:var(--brown-dark);outline:none;transition:all .2s;background:#fff}
.field-input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(235,93,47,.1)}
.field-input::placeholder{color:#C8C2CB;font-weight:400}
.field-input.has-icon{padding-left:40px}
.field-input.has-toggle{padding-right:44px}
.field-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:#C8C2CB;pointer-events:none}
.eye-toggle{position:absolute;right:13px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:#C8C2CB;padding:2px;transition:color .15s}
.eye-toggle:hover{color:var(--orange)}
.field-hint{font-size:12px;color:#A9A2AD;margin-top:5px;line-height:1.5}
.field-error{display:none;font-size:12px;color:#C74720;margin-top:5px;font-weight:500}
.field-input.error{border-color:#EB5D2F;background:#FEF1EC}
.field-input.error~.field-error{display:block}

/* ── Buttons ── */
.btn-submit,.btn-primary{width:100%;padding:14px;border-radius:var(--radius-md);background:var(--orange);color:#fff;font-weight:800;font-size:15px;border:none;cursor:pointer;font-family:'Plus Jakarta Sans',sans-serif;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 4px 14px rgba(235,93,47,.35)}
.btn-submit:hover,.btn-primary:hover{background:var(--orange-dark);box-shadow:0 6px 20px rgba(235,93,47,.4);transform:translateY(-1px)}
.btn-submit:active,.btn-primary:active{transform:translateY(0)}
.btn-ghost{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;border-radius:var(--radius-md);background:transparent;color:var(--brown-mid);font-weight:600;font-size:14px;border:1.5px solid #EDE9EE;cursor:pointer;font-family:'Plus Jakarta Sans',sans-serif;transition:.15s}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);background:var(--orange-light)}

/* ── Alert & Footer ── */
.alert-error{background:#FEF1EC;border:1px solid #FAB195;border-left:4px solid var(--orange);border-radius:var(--radius-md);padding:12px 14px;margin-bottom:20px;display:flex;align-items:center;gap:10px;font-size:13px;color:#7F2410}
.alert-success{background:#f0fdf4;border:1px solid #86efac;border-left:4px solid #22c55e;border-radius:var(--radius-md);padding:12px 14px;margin-bottom:20px;display:flex;align-items:center;gap:10px;font-size:13px;color:#166534}
.form-footer{margin-top:28px;padding-top:24px;border-top:1px solid #EDE9EE;text-align:center}
.form-footer-links{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.form-footer-links a{font-size:12px;color:#A9A2AD;text-decoration:none;font-weight:500}
.form-footer-links a:hover{color:var(--orange)}

/* ── Responsive ── */
@media(max-width:900px){
  .hero{display:none}
  .form-panel{padding:36px 24px;background:var(--silver-light)}
  .form-wrap{background:#fff;border-radius:var(--radius-xl);padding:32px 28px;box-shadow:var(--shadow-form)}
  .mobile-logo{display:flex;align-items:center;gap:10px;margin-bottom:28px}
  .mobile-logo-mark{width:32px;height:32px;background:var(--orange);border-radius:9px;display:flex;align-items:center;justify-content:center}
}
@media(min-width:901px){.mobile-logo{display:none}}
@media(max-width:480px){
  .form-panel{padding:20px 16px}
  .form-wrap{padding:24px 20px}
  .social-row{flex-direction:column}
}