/* === OpsHub — Login (consola operativa) === */

:root {
  --oh-ink: #0b1220;
  --oh-ink-soft: #141c2b;
  --oh-panel: rgba(20, 28, 43, 0.88);
  --oh-mint: #3dffa8;
  --oh-mint-dim: #1f9e6d;
  --oh-sand: #e8eef7;
  --oh-muted: #93a0b5;
  --oh-line: rgba(232, 238, 247, 0.12);
  --oh-danger: #ff5c6c;
  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-panel: 0 24px 60px rgba(0, 0, 0, 0.35);
  --transition-main: 180ms ease;
}

body.opshub-login.light-mode,
body.opshub-login:not(.dark-mode):not(.light-mode) {
  --oh-ink: #f3f6fb;
  --oh-ink-soft: #ffffff;
  --oh-panel: rgba(255, 255, 255, 0.92);
  --oh-sand: #121826;
  --oh-muted: #5b667a;
  --oh-line: rgba(18, 24, 38, 0.12);
  --shadow-panel: 0 18px 40px rgba(18, 24, 38, 0.1);
}

body.opshub-login.dark-mode {
  --oh-ink: #0b1220;
  --oh-ink-soft: #141c2b;
  --oh-panel: rgba(20, 28, 43, 0.9);
  --oh-sand: #e8eef7;
  --oh-muted: #93a0b5;
  --oh-line: rgba(232, 238, 247, 0.12);
}

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

body.opshub-login {
  font-family: var(--font-body);
  min-height: 100vh;
  color: var(--oh-sand);
  background: var(--oh-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.opshub-login__atmosphere {
  position: fixed;
  inset: 0;
  background: radial-gradient(
      ellipse 70% 50% at 15% 20%,
      rgba(61, 255, 168, 0.16),
      transparent 55%
    ),
    radial-gradient(ellipse 50% 40% at 85% 75%, rgba(61, 160, 255, 0.12), transparent 50%),
    linear-gradient(160deg, #0b1220 0%, #101a2e 45%, #0b1220 100%);
  z-index: 0;
}

.opshub-login__atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(232, 238, 247, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 238, 247, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 40%, black 20%, transparent 75%);
  pointer-events: none;
}

.top-right-actions {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 2;
}

.theme-toggle-button {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--oh-line);
  background: var(--oh-panel);
  color: var(--oh-sand);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    border-color var(--transition-main),
    transform var(--transition-main);
}

.theme-toggle-button:hover {
  border-color: var(--oh-mint);
  transform: translateY(-1px);
}

.container {
  width: 100%;
  padding: 1.25rem;
  position: relative;
  z-index: 1;
}

.login-box {
  max-width: 420px;
  margin: 0 auto;
  padding: 2.25rem 2rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--oh-line);
  background: var(--oh-panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-panel);
  animation: oh-rise 420ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes oh-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.brand-mark__glyph {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  color: var(--oh-ink);
  background: linear-gradient(135deg, var(--oh-mint), #7cf0ff);
  box-shadow: 0 0 0 1px rgba(61, 255, 168, 0.35);
}

.brand-mark__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.brand-mark__tag {
  color: var(--oh-muted);
  font-size: 0.82rem;
  margin-top: 0.15rem;
}

.login-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
}

.login-subtitle {
  color: var(--oh-muted);
  font-size: 0.92rem;
  line-height: 1.45;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--oh-muted);
}

.form-control {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--oh-line);
  background: rgba(11, 18, 32, 0.35);
  color: var(--oh-sand);
  font: inherit;
  transition:
    border-color var(--transition-main),
    box-shadow var(--transition-main);
}

body.opshub-login.light-mode .form-control,
body.opshub-login:not(.dark-mode):not(.light-mode) .form-control {
  background: #f5f7fb;
}

.form-control:focus {
  outline: none;
  border-color: var(--oh-mint-dim);
  box-shadow: 0 0 0 3px rgba(61, 255, 168, 0.18);
}

.btn {
  border: none;
  border-radius: var(--radius-md);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--oh-mint), #2bd4a0);
  color: #062016;
}

.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
  padding: 0.85rem 1rem;
  margin-top: 0.35rem;
  transition:
    transform var(--transition-main),
    filter var(--transition-main);
}

.error-message {
  margin-top: 0.75rem;
  color: var(--oh-danger);
  font-size: 0.88rem;
}

.error-message.hidden {
  display: none;
}

.register-link {
  margin-top: 1.35rem;
  text-align: center;
  color: var(--oh-muted);
  font-size: 0.9rem;
}

.register-link a {
  color: var(--oh-mint-dim);
  font-weight: 600;
  text-decoration: none;
}

.register-link a:hover {
  text-decoration: underline;
}

.messages {
  margin-bottom: 1rem;
}

.alert {
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  border: 1px solid var(--oh-line);
}