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

 :root {
   --teal: #2bb3a8;
   --teal-dark: #1d8a81;
   --green-mid: #1a6b4a;
   --green-deep: #0d3b2e;
   --cream: #f0fdf9;
   --white: #ffffff;
   --text: #0d2523;
   --muted: #5c8480;
 }

 html,
 body {
   height: 100%;
   font-family: 'DM Sans', sans-serif;
   overflow: hidden;
 }

 #bg-canvas {
   position: fixed;
   inset: 0;
   z-index: 0;
 }

 .overlay {
   position: fixed;
   inset: 0;
   z-index: 1;
   background:
     radial-gradient(ellipse 60% 55% at 82% 50%, rgba(212, 240, 228, .55) 0%, transparent 65%),
     radial-gradient(ellipse 50% 60% at 18% 30%, rgba(43, 179, 168, .1) 0%, transparent 60%);
 }

 /* ── LAYOUT: form LEFT · brand RIGHT ── */
 .page {
   position: relative;
   z-index: 2;
   height: 100vh;
   display: grid;
   grid-template-columns: 480px 1fr;
   align-items: center;
   padding: 0 80px;
   gap: 80px;
 }

 /* ── LEFT: card ── */
 .login-container {
   display: flex;
   align-items: center;
   justify-content: center;
 }

 .login-box {
   width: 100%;
   background: rgba(255, 255, 255, .78);
   backdrop-filter: blur(24px);
   -webkit-backdrop-filter: blur(24px);
   border: 1px solid rgba(43, 179, 168, .2);
   border-radius: 28px;
   padding: 48px 40px;
   box-shadow:
     0 2px 0 rgba(255, 255, 255, .9) inset,
     0 24px 64px rgba(13, 59, 46, .1);
   display: flex;
   flex-direction: column;
   gap: 28px;
   animation: cardIn .55s cubic-bezier(.22, 1, .36, 1) both;
 }

 @keyframes cardIn {
   from {
     opacity: 0;
     transform: translateY(22px) scale(.97);
   }

   to {
     opacity: 1;
     transform: translateY(0) scale(1);
   }
 }

 .card-header {
   display: flex;
   flex-direction: column;
   gap: 4px;
 }

 .card-header h3 {
   font-family: 'DM Serif Display', serif;
   font-size: 1.75rem;
   color: var(--text);
   letter-spacing: -.03em;
 }

 .card-header p {
   font-size: .82rem;
   font-weight: 300;
   color: var(--muted);
 }

 .accent-bar {
   width: 36px;
   height: 3px;
   background: var(--teal);
   border-radius: 2px;
   margin-top: 8px;
 }

 form {
   display: flex;
   flex-direction: column;
   gap: 16px;
 }

 .input-group {
   display: flex;
   flex-direction: column;
   gap: 6px;
 }

 label {
   font-size: .73rem;
   font-weight: 600;
   color: var(--text);
   letter-spacing: .06em;
   text-transform: uppercase;
 }

 .input-wrap {
   position: relative;
   display: flex;
   align-items: center;
 }

 .input-wrap .icon {
   position: absolute;
   left: 14px;
   width: 16px;
   height: 16px;
   fill: var(--muted);
   pointer-events: none;
 }

 input {
   width: 100%;
   padding: 13px 13px 13px 42px;
   background: rgba(240, 253, 249, .8);
   border: 1.5px solid rgba(43, 179, 168, .22);
   border-radius: 13px;
   font-family: 'DM Sans', sans-serif;
   font-size: .9rem;
   color: var(--text);
   outline: none;
   transition: border-color .2s, background .2s, box-shadow .2s;
 }

 input::placeholder {
   color: #aeccc7;
 }

 input:focus {
   border-color: var(--teal);
   background: white;
   box-shadow: 0 0 0 4px rgba(43, 179, 168, .1);
 }

 .toggle-pw {
   position: absolute;
   right: 13px;
   background: none;
   border: none;
   cursor: pointer;
   padding: 4px;
   display: flex;
   align-items: center;
 }

 .toggle-pw svg {
   width: 15px;
   height: 15px;
   fill: var(--muted);
 }

 .btn-login {
   width: 100%;
   padding: 14px;
   border: none;
   border-radius: 50px;
   background: var(--green-deep);
   color: white;
   font-family: 'DM Sans', sans-serif;
   font-size: .92rem;
   font-weight: 600;
   cursor: pointer;
   margin-top: 4px;
   transition: background .2s, transform .15s, box-shadow .2s;
   box-shadow: 0 6px 22px rgba(13, 59, 46, .2);
 }

 .btn-login:hover {
   background: var(--teal-dark);
   transform: translateY(-2px);
   box-shadow: 0 10px 28px rgba(43, 179, 168, .3);
 }

 .btn-login:active {
   transform: translateY(0);
 }

 .forgot {
   text-align: center;
   font-size: .78rem;
   color: var(--teal);
   text-decoration: none;
   font-weight: 500;
 }

 .forgot:hover {
   text-decoration: underline;
 }

 .security {
   display: flex;
   align-items: center;
   justify-content: center;
   gap: 6px;
   font-size: .7rem;
   color: #aabfbb;
   border-top: 1px solid rgba(43, 179, 168, .1);
   padding-top: 16px;
 }

 .security svg {
   width: 11px;
   height: 11px;
   fill: var(--teal);
   flex-shrink: 0;
 }

 /* ── RIGHT: brand ── */
 .brand {
   display: flex;
   margin-left: 250px;
   flex-direction: column;
   gap: 20px;
   animation: brandIn .7s cubic-bezier(.22, 1, .36, 1) .1s both;
 }

 @keyframes brandIn {
   from {
     opacity: 0;
     transform: translateX(20px);
   }

   to {
     opacity: 1;
     transform: translateX(0);
   }
 }

 .logo-wrap {
   display: flex;
   align-items: center;
   gap: 12px;
 }

 .logo-pill {
   background: var(--teal);
   color: white;
   font-family: 'DM Serif Display', serif;
   font-size: .85rem;
   letter-spacing: .06em;
   padding: 6px 16px;
   border-radius: 50px;
 }

 .logo-wrap h2 {
   font-family: 'DM Serif Display', serif;
   font-size: 2rem;
   color: var(--green-deep);
   letter-spacing: -.04em;
 }

 .brand h1 {
   font-family: 'DM Serif Display', serif;
   font-size: clamp(2.6rem, 4vw, 4rem);
   color: var(--green-deep);
   line-height: 1.05;
   letter-spacing: -.04em;
 }

 .brand h1 em {
   font-style: italic;
   color: var(--teal);
 }

 /* trust items */
 .trust-list {
   display: flex;
   flex-direction: column;
   gap: 12px;
   margin-top: 8px;
 }

 .trust-item {
   display: flex;
   align-items: center;
   gap: 12px;
   font-size: .84rem;
   color: var(--muted);
 }

 .trust-dot {
   width: 28px;
   height: 28px;
   border-radius: 8px;
   flex-shrink: 0;
   background: rgba(43, 179, 168, .12);
   display: flex;
   align-items: center;
   justify-content: center;
 }

 .trust-dot svg {
   width: 14px;
   height: 14px;
   fill: var(--teal);
 }

 /* register link */
 .register-link {
   display: inline-flex;
   align-items: center;
   gap: 8px;
   font-size: .84rem;
   font-weight: 500;
   color: var(--green-mid);
   text-decoration: none;
   margin-top: 4px;
   transition: color .2s;
 }

 .register-link:hover {
   color: var(--teal);
   text-decoration: underline;
 }

 .register-link svg {
   width: 14px;
   height: 14px;
   fill: currentColor;
 }

 /* ──────────────────────────────── */
 /* RESPONSIVE — TABLET (≤ 860px) */
 /* ──────────────────────────────── */
 @media (max-width: 860px) {
   .page {
     grid-template-columns: 1fr;
     padding: 40px 24px;
     justify-items: center;
   }

   .brand {
     display: none;
   }

   .login-container {
     width: 100%;
     max-width: 440px;
   }

   html,
   body {
     overflow: auto;
   }
 }

 /* ────────────────────────────────── */
 /* RESPONSIVE — MÓVIL (≤ 600px) */
 /* ────────────────────────────────── */
 @media (max-width: 600px) {
   .page {
     padding: 28px 16px;
     gap: 0;
   }

   .login-container {
     max-width: 100%;
   }

   .login-box {
     padding: 36px 24px;
     border-radius: 22px;
   }

   .card-header h3 {
     font-size: 1.5rem;
   }
 }

 /* ─────────────────────────────────────── */
 /* RESPONSIVE — MÓVIL PEQUEÑO (≤ 400px) */
 /* ─────────────────────────────────────── */
 @media (max-width: 400px) {
   .page {
     padding: 20px 12px;
   }

   .login-box {
     padding: 28px 18px;
     gap: 22px;
   }

   .card-header h3 {
     font-size: 1.35rem;
   }

   .card-header p {
     font-size: .78rem;
   }

   input {
     padding: 11px 11px 11px 38px;
     font-size: .85rem;
   }

   .btn-login {
     padding: 13px;
     font-size: .88rem;
   }
 }

/* ── Hint de registro solo visible en m\u00f3vil ── */
.mob-register-hint {
  display: none; /* oculto por defecto en desktop */
}

@media (max-width: 768px) {
  /* En m\u00f3vil la columna .brand desaparece, mostramos el hint */
  .mob-register-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 18px;
    margin-top: 4px;
    background: rgba(46,168,122,.06);
    border: 1.5px solid rgba(46,168,122,.15);
    border-radius: 14px;
    text-align: center;
    flex-wrap: wrap;
  }
  .mob-register-hint span {
    font-size: .85rem;
    color: var(--muted, #5c8480);
  }
  .mob-register-hint a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .85rem;
    font-weight: 600;
    color: var(--green-mid, #1a6b4a);
    text-decoration: none;
    transition: color .18s;
  }
  .mob-register-hint a:hover { color: var(--teal, #2bb3a8); }
  .mob-register-hint a svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
  }
}

@media (max-width: 400px) {
  .page { padding: 10px 8px; }
  .login-box { padding: 24px 16px; gap: 18px; }
  .card-header h3 { font-size: 1.25rem; }
  .input-wrap svg.icon { left: 10px; width: 16px; height: 16px; }
  input { padding: 10px 10px 10px 34px; font-size: .8rem; }
  .mob-register-hint { flex-direction: column; text-align: center; gap: 4px; padding: 10px; }
  .mob-register-hint span, .mob-register-hint a { font-size: .82rem; }
}

/* ── ALERTAS FLOTANTES (FLASH MESSAGES) ── */
.contenedor-alertas-flotante{
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    width: calc(100% - 40px);
    max-width: 320px;
}
.alerta{
    padding: 14px 40px 14px 15px;
    border-radius: 12px;
    margin-bottom: 10px;
    position: relative;
    font-size: 14px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    animation: slideIn 0.4s ease;
    font-family: 'DM Sans', sans-serif;
}
.alerta-error{
    background: #ffecec;
    color: #b30000;
    border-left: 5px solid #ff4d4d;
}
.alerta-success{
    background: #e8fff1;
    color: #006b3c;
    border-left: 5px solid #2ecc71;
}
.alerta .cerrar{
    position: absolute;
    right: 12px;
    top: 8px;
    cursor: pointer;
    font-size: 18px;
}
@keyframes slideIn{
    from{ opacity: 0; transform: translateX(50px); }
    to{ opacity: 1; transform: translateX(0); }
}