/* =============================================================================
   MM LAB TALLER  -  assets/css/auth.css
   Estilos autocontenidos para las pantallas de acceso y registro.
   Reproduce 1:1 login.html, registro-selector.html y los formularios por pasos
   (registro-cliente/mecanico/taller.html). Incluye sus propios tokens MM Lab.
   ============================================================================= */

/* ===== TOKENS (mismos que el sistema de diseno) ========================== */
:root{
  --brand:#0F4C81; --brand-600:#0C3E69; --accent:#1CA97A; --accent-600:#168A64;
  --ink:#1F2937; --muted:#6B7280; --bg:#F5F7FA; --surface:#FFFFFF; --surface-2:#F0F3F8; --border:#E5E9F0;
  --danger:#E11D48; --warning:#F59E0B; --radius:16px; --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.05);
  --shadow-lg:0 18px 40px rgba(16,24,40,.10); --ring:0 0 0 4px rgba(28,169,122,.22);
  --font:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
[data-theme="dark"]{--ink:#E9EEF6;--muted:#9AA6B8;--bg:#0B1220;--surface:#121C2E;--surface-2:#0F1828;--border:#22304A;--shadow-lg:0 22px 48px rgba(0,0,0,.55);--accent:#22C58E;--brand:#3B82C4}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;min-height:100vh;transition:background .3s,color .3s}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em}
p{margin:0}
a{color:var(--accent);text-decoration:none;font-weight:600}

/* Layout de cuerpo segun pantalla */
body.auth-split{display:grid;grid-template-columns:1fr 1fr}
body.auth-page{display:flex;flex-direction:column}

/* ===== Controles comunes (idioma / tema) ================================ */
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-pill);padding:3px}
.seg a,.seg button{border:0;background:transparent;color:var(--muted);font:600 12.5px/1 var(--font);padding:7px 12px;border-radius:var(--radius-pill);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}
.seg a.active,.seg button.active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}
.icon-btn{width:40px;height:40px;border-radius:11px;border:1px solid var(--border);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{border-color:var(--accent);color:var(--accent)}
.back{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.back i{width:16px;height:16px}

/* Logo */
.logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink)}
.logo .mark{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:800}

/* Topbar (selector y formularios) */
.topbar{display:flex;align-items:center;gap:12px;padding:18px 28px;border-bottom:1px solid var(--border)}
.topbar .spacer{flex:1}

/* ===== LOGIN: panel de marca (izquierda) ================================ */
.brand-panel{position:relative;background:linear-gradient(150deg,var(--brand),var(--brand-600));color:#fff;padding:48px;display:flex;flex-direction:column;overflow:hidden}
.brand-panel .logo{color:#fff;font-size:18px;position:relative}
.brand-panel .logo .mark{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25)}
.brand-panel .grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:44px 44px}
.brand-mid{margin-top:auto;margin-bottom:auto;position:relative;max-width:24ch}
.brand-mid h2{font-size:36px;line-height:1.12;color:#fff;margin-bottom:16px}
.brand-mid p{color:rgba(255,255,255,.82);font-size:16px;line-height:1.55}
.brand-stats{display:flex;gap:30px;margin-top:34px}
.brand-stats .n{font-size:24px;font-weight:800}
.brand-stats .l{font-size:12.5px;color:rgba(255,255,255,.72)}
.floaty{position:relative;margin-top:30px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:14px 16px;display:flex;align-items:center;gap:12px;max-width:300px}
.floaty .av{width:40px;height:40px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-weight:700;color:#fff}
.floaty b{font-size:14px}.floaty span{font-size:12.5px;color:rgba(255,255,255,.78)}

/* ===== LOGIN: formulario (derecha) ====================================== */
.form-side{display:flex;flex-direction:column;padding:28px 40px 40px}
.top-controls{display:flex;align-items:center;gap:10px}
.top-controls .spacer{flex:1}
.form-box{margin:auto;width:100%;max-width:400px;padding:24px 0}
.form-box h1{font-size:30px;margin-bottom:8px}
.form-box .lead{color:var(--muted);font-size:15px;margin-bottom:28px}

/* ===== Campos ============================================================ */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600}
.input-wrap{position:relative;display:flex;align-items:center}
.input-wrap>i{position:absolute;left:13px;width:18px;height:18px;color:var(--muted)}
.input,.select{width:100%;font:500 14px var(--font);color:var(--ink);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px 12px 40px;transition:.16s}
.form-box .input{padding:13px 44px 13px 40px}
.select{padding-left:14px;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236B7280' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.input::placeholder{color:var(--muted)}
.input:focus,.select:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}
.field.err .input,.field.err .select{border-color:var(--danger);box-shadow:0 0 0 4px rgba(225,29,72,.16)}
.field .err-msg{font-size:12px;color:var(--danger);display:flex;align-items:center;gap:5px}
.toggle-pass{position:absolute;right:8px;width:32px;height:32px;border:0;background:transparent;color:var(--muted);display:grid;place-items:center;cursor:pointer;border-radius:8px}
.toggle-pass:hover{color:var(--ink);background:var(--surface-2)}

.row-between{display:flex;align-items:center;justify-content:space-between;margin:4px 0 22px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);cursor:pointer;user-select:none}
.check input{width:18px;height:18px;accent-color:var(--accent);margin-top:1px}

/* ===== Botones =========================================================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 var(--font);padding:14px 18px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:.16s}
.btn i{width:18px;height:18px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(28,169,122,.28)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--border)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.btn-block{width:100%}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12.5px;margin:22px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--border)}
.social{display:flex;gap:12px}
.social .btn{background:var(--surface);color:var(--ink);border-color:var(--border);font-size:14px;flex:1}
.social .btn:hover{border-color:var(--accent)}
.signup-line,.login-line{text-align:center;font-size:14px;color:var(--muted);margin-top:26px}

/* ===== Alerta de error/exito (server-side) ============================== */
.auth-alert{display:flex;gap:10px;align-items:flex-start;border-radius:12px;padding:12px 15px;font-size:13.5px;margin-bottom:20px;border:1px solid var(--border)}
.auth-alert i{width:18px;height:18px;flex:0 0 18px;margin-top:1px}
.auth-alert.err{background:color-mix(in srgb,var(--danger) 8%,var(--surface));border-color:color-mix(in srgb,var(--danger) 30%,transparent);color:var(--danger)}
.auth-alert.ok{background:color-mix(in srgb,var(--accent) 10%,var(--surface));border-color:color-mix(in srgb,var(--accent) 30%,transparent);color:var(--accent-600)}
[data-theme="dark"] .auth-alert.ok{color:var(--accent)}

/* ===== SELECTOR de tipo de cuenta ====================================== */
.center{flex:1;display:grid;place-items:center;padding:48px 24px}
.panel{width:100%;max-width:980px;text-align:center}
.panel .kicker{font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.panel h1{font-size:38px;margin-bottom:12px;text-wrap:balance}
.panel .lead{color:var(--muted);font-size:16px;max-width:52ch;margin:0 auto 40px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.role{position:relative;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:30px 26px;text-align:left;cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;flex-direction:column;color:inherit}
.role:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.role .ic{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px}
.role .ic i{width:27px;height:27px}
.role h3{font-size:20px;margin-bottom:8px}
.role p{color:var(--muted);font-size:14px;line-height:1.55;margin-bottom:20px}
.role .feats{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:9px}
.role .feats li{display:flex;gap:9px;font-size:13.5px;align-items:center}
.role .feats i{width:16px;height:16px;color:var(--accent)}
.role .go{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:14.5px;color:var(--accent)}
.role .go i{width:17px;height:17px;transition:transform .18s}
.role:hover .go i{transform:translateX(4px)}

/* ===== FORMULARIOS por pasos =========================================== */
.center.form{display:flex;justify-content:center;padding:40px 24px 56px}
.card{width:100%;max-width:620px;background:var(--surface);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-lg);padding:34px}
.role-pill{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--brand);background:color-mix(in srgb,var(--brand) 12%,transparent);padding:7px 13px;border-radius:var(--radius-pill);margin-bottom:16px}
[data-theme="dark"] .role-pill{color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent)}
.role-pill i{width:15px;height:15px}
.card h1{font-size:26px;margin-bottom:6px}
.card .lead{color:var(--muted);font-size:14.5px;margin-bottom:24px}

/* Stepper */
.stepper{display:flex;align-items:center;margin-bottom:28px}
.stp{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.stp .num{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;background:var(--surface-2);color:var(--muted);border:1.5px solid var(--border);transition:.2s}
.stp .lbl{font-size:13px;font-weight:600;color:var(--muted);transition:.2s}
.stp.active .num{background:var(--accent);color:#fff;border-color:var(--accent)}
.stp.active .lbl{color:var(--ink)}
.stp.done .num{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent-600);border-color:var(--accent)}
[data-theme="dark"] .stp.done .num{color:var(--accent)}
.stp-line{flex:1;height:2px;background:var(--border);margin:0 12px;border-radius:2px;transition:.2s}
.stp-line.fill{background:var(--accent)}

.step-panel{display:none;animation:fade .25s ease}
.step-panel.show{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* Chips multiseleccion */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{font-size:13px;font-weight:600;color:var(--muted);background:var(--surface-2);border:1.5px solid var(--border);border-radius:var(--radius-pill);padding:8px 14px;cursor:pointer;transition:.15s;user-select:none}
.chip.on{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent-600);border-color:var(--accent)}
[data-theme="dark"] .chip.on{color:var(--accent)}

/* Dropzone */
.drop{border:1.5px dashed var(--border);border-radius:14px;background:var(--surface-2);padding:22px;text-align:center;cursor:pointer;transition:.15s}
.drop:hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 6%,var(--surface-2))}
.drop i{width:26px;height:26px;color:var(--muted);margin-bottom:8px}
.drop b{display:block;font-size:14px}
.drop span{font-size:12.5px;color:var(--muted)}
.drop input[type=file]{display:none}

/* Info line */
.info-line{display:flex;gap:10px;align-items:flex-start;background:color-mix(in srgb,var(--brand) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 20%,transparent);border-radius:12px;padding:13px 15px;font-size:13px;color:var(--muted);margin-bottom:18px}
.info-line i{width:17px;height:17px;color:var(--brand);flex:0 0 17px;margin-top:1px}
[data-theme="dark"] .info-line i{color:var(--accent)}

/* Review */
.review{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:18px}
.review .r-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid var(--border);font-size:14px}
.review .r-row:last-child{border-bottom:0}
.review .r-row span{color:var(--muted)}
.review .r-row b{font-weight:600;text-align:right}
.success-ic{width:56px;height:56px;border-radius:50%;background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent-600);display:grid;place-items:center;margin-bottom:16px}
[data-theme="dark"] .success-ic{color:var(--accent)}
.success-ic i{width:28px;height:28px}

.nav-btns{display:flex;gap:12px;margin-top:26px}
.nav-btns .btn{font-size:14px;padding:13px 20px}
.nav-btns .btn-primary{flex:1}

/* ===== RESPONSIVE ====================================================== */
@media (max-width:860px){
  body.auth-split{grid-template-columns:1fr}
  .brand-panel{display:none}
  .form-side{padding:22px 20px 36px}
}
@media (max-width:820px){.cards{grid-template-columns:1fr}.panel h1{font-size:30px}}
@media (max-width:560px){.grid2{grid-template-columns:1fr}.card{padding:24px 20px}.stp .lbl{display:none}}