/* Reset e inicialización de estilos base */
:root {
  /* --- MODO CLARO (POR DEFECTO) --- */
  --bg-color: #f8fafc;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(15, 23, 42, 0.08);
  --primary: #4f46e5;
  --primary-hover: #3730a3;
  --secondary: #0891b2;
  --accent: #7c3aed;
  --success: #059669;
  --text-main: #0f172a;
  --text-muted: #5b6478;
  --label-color: #334155;
  --input-bg: rgba(15, 23, 42, 0.03);
  --input-border: rgba(15, 23, 42, 0.12);
  --input-placeholder: rgba(15, 23, 42, 0.35);
  --heading-gradient-start: #0f172a;
  --heading-gradient-end: #4338ca;
  --font-family: 'Inter', sans-serif;
  --font-title: 'Outfit', sans-serif;
}

html[data-theme="dark"] {
  /* --- MODO OSCURO --- */
  --bg-color: #0b0c10;
  --card-bg: rgba(20, 22, 35, 0.65);
  --card-border: rgba(255, 255, 255, 0.08);
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --secondary: #3b82f6;
  --accent: #8b5cf6;
  --success: #10b981;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --label-color: #ccd6f6;
  --input-bg: rgba(15, 17, 28, 0.8);
  --input-border: rgba(255, 255, 255, 0.12);
  --input-placeholder: rgba(255, 255, 255, 0.25);
  --heading-gradient-start: #ffffff;
  --heading-gradient-end: #ccd6f6;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Elementos decorativos en background */
.background-decor {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob-1 {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.25) 0%, rgba(139, 92, 246, 0.05) 70%);
  filter: blur(80px);
  border-radius: 50%;
  animation: float 20s infinite alternate;
}

.blob-2 {
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, rgba(16, 185, 129, 0.05) 70%);
  filter: blur(100px);
  border-radius: 50%;
  animation: float 25s infinite alternate-reverse;
}

@keyframes float {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(40px) scale(1.1); }
}

.container {
  width: 100%;
  max-width: 720px;
  padding: 2rem 1.5rem;
  z-index: 1;
}

/* Toggle Día/Noche (esta página no tiene barra de navegación propia) */
.btn-theme-toggle {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-theme-toggle:hover {
  color: var(--text-main);
}

html[data-theme="dark"] .sun-icon { display: block; }
html[data-theme="dark"] .moon-icon { display: none; }
html[data-theme="light"] .sun-icon { display: none; }
html[data-theme="light"] .moon-icon { display: block; }

/* Encabezado */
.header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
  color: var(--text-main);
  display: inline-block;
}

html[data-theme="dark"] .brand-logo-icon { filter: invert(1); }

.logo span {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header h1 {
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
  background: linear-gradient(180deg, var(--heading-gradient-start) 50%, var(--heading-gradient-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 350;
  max-width: 540px;
  margin: 0 auto;
}

/* Tarjeta Principal */
.wizard-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  transition: all 0.3s ease;
}

/* Barra de Progreso */
.steps-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
  z-index: 2;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--input-bg);
  border: 2px solid var(--input-border);
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.4s ease;
}

.step-label {
  font-size: 0.8rem;
  font-weight: 500;
  margin-top: 0.5rem;
  color: var(--text-muted);
  transition: all 0.4s ease;
}

.step-line {
  height: 2px;
  flex: 1.5;
  background-color: var(--input-border);
  transition: all 0.4s ease;
  margin-top: -1.25rem;
}

/* Estados Activos del Progreso */
.step-indicator.active .step-number {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 15px rgba(79, 70, 229, 0.4);
}

.step-indicator.active .step-label {
  color: var(--text-main);
  font-weight: 600;
}

.step-indicator.completed .step-number {
  background-color: var(--success);
  border-color: var(--success);
  color: #fff;
}

.step-indicator.completed .step-label {
  color: var(--success);
}

.step-line.completed {
  background-color: var(--primary);
}

/* Formularios y Pasos */
.wizard-step {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.wizard-step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (max-width: 580px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 1.25rem 1rem;
  }

  .wizard-card {
    padding: 1.5rem 1.25rem;
  }

  .header h1 {
    font-size: 1.7rem;
  }

  .btn-theme-toggle {
    top: 1rem;
    right: 1rem;
  }

  .btn-group {
    flex-direction: column;
  }

  #otp-code {
    font-size: 1.75rem;
    letter-spacing: 5px;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--label-color);
  letter-spacing: 0.3px;
}

input {
  width: 100%;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-main);
  padding: 0.85rem 1rem;
  border-radius: 12px;
  font-size: 0.95rem;
  outline: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

input::placeholder {
  color: var(--input-placeholder);
}

.input-helper {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

/* Alertas */
.alert-box {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  border: 1px solid transparent;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { transform: translateY(-10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.alert-box.danger {
  background-color: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-box.success {
  background-color: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
  color: #a7f3d0;
}

.hidden {
  display: none !important;
}

/* Botones */
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 1.5rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

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

.btn-secondary {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: var(--card-border);
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn-group .btn {
  flex: 1;
}

/* PASO 2: OTP Estilos */
.verification-header {
  text-align: center;
  margin-bottom: 2rem;
}

.verification-header h3 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.verification-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.otp-container {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

#otp-code {
  width: 240px;
  max-width: 100%;
  font-family: 'Outfit', monospace;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: 8px;
  text-align: center;
  padding: 0.75rem;
  border-radius: 16px;
  background-color: var(--input-bg);
  border: 2px solid var(--input-border);
}

#otp-code:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.countdown-timer {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.countdown-timer span {
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
}

/* Caja de Debug */
.debug-otp-box {
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px dashed rgba(245, 158, 11, 0.3);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  color: #92400e;
  text-align: center;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

html[data-theme="dark"] .debug-otp-box {
  color: #fde047;
}

.badge {
  background-color: rgba(245, 158, 11, 0.2);
  color: #92400e;
  padding: 0.15rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 6px;
}

html[data-theme="dark"] .badge {
  color: #fbbf24;
}

/* Vista Éxito */
.success-view {
  text-align: center;
  animation: scaleUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.success-view h2 {
  font-family: var(--font-title);
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.success-view p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.tenant-details-card {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.5rem;
}

.detail-row strong {
  color: var(--text-main);
}

.detail-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.detail-row span {
  color: var(--text-muted);
}

.detail-row code {
  background-color: var(--input-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-family: monospace;
  color: var(--secondary);
}

.badge-active {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--success);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-pending {
  background-color: rgba(245, 158, 11, 0.15);
  color: #b45309;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
}

html[data-theme="dark"] .badge-pending {
  color: #f59e0b;
}

.next-steps {
  text-align: left;
  background-color: rgba(79, 70, 229, 0.05);
  border: 1px solid rgba(79, 70, 229, 0.15);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.next-steps h4 {
  font-family: var(--font-title);
  color: var(--primary);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.next-steps ul {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-main);
}