/* StreamGestor — Login Premium */
:root {
  --green: #00C853;
  --green-dark: #007A3D;
  --navy: #0F172A;
  --white: #FFFFFF;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --surface: #FFFFFF;
  --text: #0F172A;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --gradient: linear-gradient(135deg, #007A3D, #00C853);
  --gradient-soft: linear-gradient(135deg, rgba(0, 122, 61, 0.08), rgba(0, 200, 83, 0.12));
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
  --radius: 16px;
  --radius-lg: 24px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --panel-dark: #0B1120;
  --danger-bg: #FEF2F2;
  --danger-text: #DC2626;
  --danger-border: #FECACA;
  --success-bg: #F0FDF4;
  --success-text: #16A34A;
  --success-border: #BBF7D0;
}

[data-theme="dark"] {
  --bg: #0B1120;
  --bg-alt: #0F172A;
  --surface: #1E293B;
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --border: #334155;
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.45);
  --gradient-soft: linear-gradient(135deg, rgba(0, 122, 61, 0.15), rgba(0, 200, 83, 0.08));
  --danger-bg: rgba(239, 68, 68, 0.12);
  --danger-text: #FCA5A5;
  --danger-border: rgba(239, 68, 68, 0.3);
  --success-bg: rgba(0, 200, 83, 0.12);
  --success-text: #86EFAC;
  --success-border: rgba(0, 200, 83, 0.3);
  color-scheme: dark;
}

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

html { -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  transition: background 0.3s ease, color 0.3s ease;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.login-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ─── Brand panel (left) ─── */
.login-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3rem;
  background: var(--gradient-soft);
  overflow: hidden;
}

.login-brand-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.login-brand-blur {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
}

.login-brand-blur-1 {
  width: 420px;
  height: 420px;
  background: var(--green);
  top: -120px;
  left: -100px;
}

.login-brand-blur-2 {
  width: 360px;
  height: 360px;
  background: var(--green-dark);
  bottom: -80px;
  right: -80px;
  opacity: 0.3;
}

.login-brand-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 83, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 83, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 70% at 30% 50%, black 20%, transparent 75%);
}

.login-brand-inner {
  position: relative;
  z-index: 1;
  max-width: 480px;
  margin: auto 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-brand-logo {
  height: clamp(72px, 8vw, 88px);
  width: auto;
  max-width: min(360px, 90%);
  object-fit: contain;
  object-position: left center;
  margin-bottom: 2.25rem;
  display: block;
}

.login-brand h1 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.login-brand h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-brand-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.login-features {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.login-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
}

.login-features svg {
  flex-shrink: 0;
  color: var(--green);
}

.login-brand-footer {
  position: relative;
  z-index: 1;
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.login-brand-footer a {
  color: var(--green-dark);
  font-weight: 600;
}

[data-theme="dark"] .login-brand-footer a { color: var(--green); }

/* ─── Form panel (right) ─── */
.login-form-panel {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
}

.login-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  flex-shrink: 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--text);
  background: var(--bg-alt);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--green);
  color: var(--green);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon { display: none; }

html:not([data-theme="dark"]) .theme-toggle .icon-moon { display: block; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.login-form-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem 2rem;
  width: 100%;
}

.login-card {
  width: 100%;
  max-width: 420px;
  animation: fadeUp 0.5s ease;
}

.login-mobile-logo {
  display: none;
  text-align: center;
  margin-bottom: 2rem;
}

.login-mobile-logo .logo-mobile-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  margin-bottom: 0.25rem;
}

[data-theme="dark"] .login-mobile-logo .logo-mobile-wrap {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.login-mobile-logo img {
  height: clamp(64px, 14vw, 80px);
  width: auto;
  max-width: min(280px, 85vw);
  object-fit: contain;
  object-position: center;
  margin: 0 auto;
}

.login-card h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.375rem;
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.alert svg { flex-shrink: 0; margin-top: 2px; }

.alert-error {
  background: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}

.alert-success {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

.form-group {
  margin-bottom: 1.125rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  color: var(--text);
}

.input-wrap {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
}

.form-input {
  width: 100%;
  min-height: 48px;
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 1rem;
  background: var(--surface);
  color: var(--text);
  transition: var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.15);
}

.form-input::placeholder { color: var(--text-muted); opacity: 0.7; }

.input-wrap.password .form-input {
  padding-right: 3rem;
}

.toggle-password {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.toggle-password:hover {
  color: var(--green);
  background: rgba(0, 200, 83, 0.08);
}

.btn-submit {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 52px;
  padding: 0.9375rem 1.5rem;
  margin-top: 0.75rem;
  border: none;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  background: var(--gradient);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 200, 83, 0.35);
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 200, 83, 0.45);
}

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

.login-extra {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.login-extra p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.login-extra a.demo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green-dark);
  transition: var(--transition);
}

[data-theme="dark"] .login-extra a.demo-link { color: var(--green); }

.login-extra a.demo-link:hover { text-decoration: underline; }

.login-page-footer {
  text-align: center;
  padding: 1rem 2rem 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.login-page-footer a {
  color: var(--green-dark);
  font-weight: 600;
}

[data-theme="dark"] .login-page-footer a { color: var(--green); }

/* ─── Responsive ─── */

/* Tablet: panel marca más compacto */
@media (max-width: 1200px) and (min-width: 992px) {
  .login-brand {
    padding: 2rem;
  }

  .login-brand-logo {
    height: 64px;
    margin-bottom: 1.75rem;
  }

  .login-brand h1 {
    font-size: 1.625rem;
  }

  .login-brand-desc {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 991px) {
  .login-page {
    grid-template-columns: 1fr;
  }

  .login-brand {
    display: none;
  }

  .login-form-panel {
    min-height: 100dvh;
    min-height: -webkit-fill-available;
  }

  .login-topbar {
    padding: max(1rem, env(safe-area-inset-top)) 1.25rem 0.75rem;
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    border-bottom: 1px solid transparent;
  }

  [data-theme="dark"] .login-topbar {
    background: var(--bg);
  }

  .login-form-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 1.25rem 1rem;
  }

  .login-card {
    max-width: 440px;
    padding: 1.75rem 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
  }

  [data-theme="dark"] .login-card {
    box-shadow: var(--shadow-lg);
  }

  .login-mobile-logo {
    display: block;
    margin-bottom: 1.75rem;
  }

  .login-card h2 {
    font-size: clamp(1.375rem, 4.5vw, 1.625rem);
    text-align: center;
    letter-spacing: -0.02em;
  }

  .login-card .subtitle {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.5;
  }

  .form-group {
    margin-bottom: 1.25rem;
  }

  .login-extra {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
  }

  .login-page-footer {
    padding: 1rem 1.25rem max(1.25rem, env(safe-area-inset-bottom));
    line-height: 1.6;
  }

  .back-link {
    font-size: 0.8125rem;
    padding: 0.5rem 0.625rem;
  }
}

@media (min-width: 992px) {
  .login-form-panel .login-card {
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
  }
}

@media (max-width: 480px) {
  .login-form-wrap {
    padding: 1rem 1rem 0.75rem;
    align-items: flex-start;
  }

  .login-card {
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius);
  }

  .login-mobile-logo .logo-mobile-wrap {
    padding: 0.875rem 1.25rem;
    width: 100%;
    max-width: 100%;
  }

  .login-mobile-logo img {
    height: clamp(58px, 16vw, 72px);
    max-width: 100%;
  }

  .login-card h2 {
    font-size: 1.375rem;
  }

  .form-input {
    font-size: 16px; /* evita zoom en iOS */
  }

  .btn-submit {
    min-height: 50px;
    font-size: 0.9375rem;
  }
}

@media (max-width: 380px) {
  .login-form-wrap { padding-inline: 0.75rem; }
  .login-topbar { padding-inline: 0.75rem; }
  .login-card { padding: 1.25rem 1rem; }
}

@media (max-height: 700px) and (max-width: 991px) {
  .login-form-wrap {
    align-items: flex-start;
    padding-top: 0.75rem;
  }

  .login-mobile-logo {
    margin-bottom: 1.25rem;
  }

  .login-mobile-logo .logo-mobile-wrap {
    padding: 0.625rem 1rem;
  }

  .login-mobile-logo img {
    height: 52px;
  }

  .login-card .subtitle {
    margin-bottom: 1.25rem;
  }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}