/* ===================================
   VARIABLES CSS (Tema Light y Dark)
   =================================== */
:root {
  --radius: 0.625rem;
  --background: oklch(98.5% 0.002 247.839);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.58 0.14 213);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.96 0.02 264.38);
  --secondary-foreground: oklch(0.205 0 0);
  --warning: oklch(0.7697 0.1645 70.61);
  --warning-foreground: oklch(0.985 0 0);
  --success: oklch(0.7205 0.192 149.49);
  --success-foreground: oklch(0.985 0 0);
  --muted: oklch(0.96 0.01 264.38);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.96 0.02 264.38);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.6356 0.2082 25.38);
  --danger: oklch(0.6356 0.2082 25.38);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.708 0 0);
}

.dark {
  --background: oklch(0.145 0.01 264.38);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0.01 264.38);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.205 0.01 264.38);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.6 0.14 213);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.269 0.02 264.38);
  --secondary-foreground: oklch(0.985 0 0);
  --warning: oklch(0.795 0.184 86.05);
  --warning-foreground: oklch(0.985 0 0);
  --success: oklch(0.7205 0.192 149.49);
  --success-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0.02 264.38);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0.02 264.38);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --danger: oklch(0.704 0.191 22.216);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.6 0.14 213);
}

/* ===================================
   RESET Y ESTILOS BASE
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-color: var(--border);
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===================================
   CONTENEDOR PRINCIPAL (Minimal Layout)
   =================================== */
.login-container {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

/* Background gradient effects */
.bg-gradient-wrapper {
  position: absolute;
  inset: 0;
  bottom: 0;
  height: 60%;
  pointer-events: none;
  top: auto;
}

.bg-gradient-layer-1 {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(37, 99, 235, 0.08) 0%, rgba(59, 130, 246, 0.04) 50%, transparent 100%);
}

.dark .bg-gradient-layer-1 {
  background: linear-gradient(to top, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.05) 50%, transparent 100%);
}

.bg-gradient-layer-2 {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
}

.dark .bg-gradient-layer-2 {
  background: linear-gradient(to top, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
}

.bg-gradient-glow {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 50%;
  filter: blur(80px);
}

.dark .bg-gradient-glow {
  background: rgba(96, 165, 250, 0.15);
}

/* ===================================
   LOGIN CARD
   =================================== */
.login-card-wrapper {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 28rem;
}

/* Glow effect behind card */
.card-glow {
  position: absolute;
  inset: -4px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(168, 85, 247, 0.1) 50%, rgba(37, 99, 235, 0.2) 100%);
  border-radius: 1.75rem;
  filter: blur(20px);
  opacity: 0.6;
}

.dark .card-glow {
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.25) 0%, rgba(168, 85, 247, 0.15) 50%, rgba(59, 130, 246, 0.25) 100%);
}

.login-card {
  position: relative;
  width: 100%;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(8px);
  padding: 2rem;
  background-color: rgba(255, 255, 255, 0.8);
}

.dark .login-card {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  background-color: rgba(20, 20, 20, 0.95);
}

@media (min-width: 768px) {
  .login-card {
    padding: 2.5rem;
  }
}

/* Inner glow border */
.card-inner-glow {
  position: absolute;
  inset: 0;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  pointer-events: none;
}

.dark .card-inner-glow {
  border-color: rgba(255, 255, 255, 0.05);
}

.card-content {
  position: relative;
}

/* ===================================
   LOGIN LOGO
   =================================== */
.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.login-logo img {
  height: 3rem;
  width: auto;
  object-fit: contain;
}

/* Show/hide logos based on theme */
.logo-light {
  display: block;
}

.logo-dark {
  display: none;
}

.dark .logo-light {
  display: none;
}

.dark .logo-dark {
  display: block;
}

/* ===================================
   FORM HEADER
   =================================== */
.form-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.form-title {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--foreground);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.form-subtitle {
  font-size: 0.9375rem;
  color: var(--muted-foreground);
  line-height: 1.5;
  opacity: 0.7;
}

/* ===================================
   LOGIN FORM
   =================================== */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Demo Credentials Box */
.demo-credentials {
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background-color: var(--muted);
  padding: 0.75rem 1rem;
  margin: 0;
}

.dark .demo-credentials {
  background-color: rgba(10, 10, 10, 0.6);
  border-color: rgba(255, 255, 255, 0.1);
}

.demo-legend {
  padding: 0 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
  opacity: 0.8;
}

.demo-instructions {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.demo-details {
  display: grid;
  gap: 0.25rem;
  font-size: 0.75rem;
}

.demo-details > div {
  display: flex;
  gap: 0.5rem;
}

.demo-label {
  color: var(--muted-foreground);
}

.demo-value {
  background-color: var(--background);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.8125rem;
}

.dark .demo-value {
  background-color: rgba(5, 5, 5, 0.8);
}

/* Error Message (mantener para compatibilidad) */
.error-message {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #dc2626;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
}

.dark .error-message {
  background-color: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* Message Alerts (Nuevo sistema de mensajes) */
.message-alert {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: 0.625rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 1rem;
  border: 1px solid;
  transition: all 0.3s ease;
}

.message-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
}

/* Success Message (Verde elegante) */
.message-success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
  border-color: rgba(34, 197, 94, 0.3);
  color: #22c55e;
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.1);
}

.dark .message-success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(16, 185, 129, 0.08) 100%);
  border-color: rgba(34, 197, 94, 0.4);
  color: #4ade80;
  box-shadow: 0 4px 16px rgba(34, 197, 94, 0.15);
}

.message-success .message-icon {
  stroke: #22c55e;
}

.dark .message-success .message-icon {
  stroke: #4ade80;
}

/* Error Message */
.message-error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.05) 100%);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.dark .message-error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.08) 100%);
  border-color: rgba(239, 68, 68, 0.4);
  color: #f87171;
}

.message-error .message-icon {
  stroke: #ef4444;
}

.dark .message-error .message-icon {
  stroke: #f87171;
}

/* Warning Message */
.message-warning {
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.1) 0%, rgba(249, 115, 22, 0.05) 100%);
  border-color: rgba(251, 146, 60, 0.3);
  color: #fb923c;
}

.dark .message-warning {
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.15) 0%, rgba(249, 115, 22, 0.08) 100%);
  border-color: rgba(251, 146, 60, 0.4);
  color: #fdba74;
}

.message-warning .message-icon {
  stroke: #fb923c;
}

.dark .message-warning .message-icon {
  stroke: #fdba74;
}

/* Info Message */
.message-info {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.05) 100%);
  border-color: rgba(59, 130, 246, 0.3);
  color: #3b82f6;
}

.dark .message-info {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(37, 99, 235, 0.08) 100%);
  border-color: rgba(59, 130, 246, 0.4);
  color: #60a5fa;
}

.message-info .message-icon {
  stroke: #3b82f6;
}

.dark .message-info .message-icon {
  stroke: #60a5fa;
}

/* Form Fields */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

.dark .form-label {
  opacity: 0.7;
}

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

.input-icon {
  position: absolute;
  left: 0.875rem;
  width: 1rem;
  height: 1rem;
  color: var(--muted-foreground);
  pointer-events: none;
}

.form-input {
  width: 100%;
  height: 2.25rem;
  padding: 0.25rem 1rem 0.25rem 2.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background-color: transparent;
  color: var(--foreground);
  font-size: 1rem;
  transition: all 0.2s;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.dark .form-input {
  background-color: rgba(10, 10, 10, 0.8);
  border-color: rgba(255, 255, 255, 0.1);
}

.form-input:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.dark .form-input:focus {
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.form-input::placeholder {
  color: var(--muted-foreground);
}

/* Estilos para form-control (usado por Django) */
.form-control {
  width: 100%;
  height: 2.25rem;
  padding: 0.25rem 1rem 0.25rem 2.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background-color: transparent;
  color: var(--foreground);
  font-size: 1rem;
  transition: all 0.2s;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.dark .form-control {
  background-color: rgba(10, 10, 10, 0.8);
  border-color: rgba(255, 255, 255, 0.1);
}

.form-control:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.dark .form-control:focus {
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.form-control::placeholder {
  color: var(--muted-foreground);
}

/* Estilos para textarea */
textarea.form-input,
textarea.form-control {
  min-height: 6rem;
  padding: 0.625rem 1rem;
  resize: vertical;
  font-family: inherit;
  line-height: 1.5;
}

.dark textarea.form-input,
.dark textarea.form-control {
  background-color: rgba(10, 10, 10, 0.8);
  border-color: rgba(255, 255, 255, 0.1);
}

textarea.form-input:focus,
textarea.form-control:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.dark textarea.form-input:focus,
.dark textarea.form-control:focus {
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.password-toggle {
  position: absolute;
  right: 0.875rem;
  padding: 0.25rem;
  background: none;
  border: none;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: color 0.2s;
}

.password-toggle:hover {
  color: var(--foreground);
}

.field-error {
  font-size: 0.75rem;
  color: var(--destructive);
  display: none;
}

.field-error:not(:empty) {
  display: block;
}

/* Form Options */
.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-input {
  width: 1rem;
  height: 1rem;
  border: 1px solid var(--input);
  border-radius: 0.25rem;
  cursor: pointer;
  accent-color: var(--primary);
  background-color: transparent;
}

.dark .checkbox-input {
  background-color: rgba(10, 10, 10, 0.6);
  border-color: rgba(255, 255, 255, 0.1);
}

.checkbox-label {
  font-size: 0.9375rem;
  color: var(--foreground);
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--foreground);
}

/* Submit Button */
.submit-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.25rem;
  padding: 0.5rem 1rem;
  background-color: var(--primary);
  color: var(--primary-foreground);
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.submit-button:hover {
  opacity: 0.9;
}

.submit-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.loading-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Form Divider */
.form-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.5rem 0;
}

.divider-line {
  flex: 1;
  height: 1px;
  background-color: var(--border);
}

.divider-text {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
  font-weight: 500;
  opacity: 0.7;
}

/* OAuth Buttons */
.oauth-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.oauth-button {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.25rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background-color: transparent;
  color: var(--foreground);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.dark .oauth-button {
  background-color: rgba(10, 10, 10, 0.6);
  border-color: rgba(255, 255, 255, 0.1);
}

.oauth-button:hover {
  background-color: var(--accent);
}

.dark .oauth-button:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

/* Form Footer */
.form-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9375rem;
}

.footer-text {
  color: var(--muted-foreground);
  opacity: 0.8;
}

.footer-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  margin-left: 0.25rem;
}

.footer-link:hover {
  text-decoration: underline;
}

/* ===================================
   DARK MODE INITIALIZATION
   =================================== */
@media (prefers-color-scheme: dark) {
  :root:not(.light) {
    color-scheme: dark;
  }
}