/* Password Manager App - Enhanced Design System
 * Following UI Description Document specifications
 * Security-first password manager with professional aesthetics
 */

/* ============================================================================
   DESIGN TOKENS & VARIABLES
   ============================================================================ */

:root {
  /* Typography System - Inter Font Family */
  --pm-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --pm-font-weight-light: 300;
  --pm-font-weight-regular: 400;
  --pm-font-weight-medium: 500;
  --pm-font-weight-semibold: 600;
  --pm-font-weight-bold: 700;

  /* Font Sizes - Responsive Typography Scale */
  --pm-font-size-xs: 0.75rem; /* 12px */
  --pm-font-size-sm: 0.875rem; /* 14px */
  --pm-font-size-base: 1rem; /* 16px */
  --pm-font-size-lg: 1.125rem; /* 18px */
  --pm-font-size-xl: 1.25rem; /* 20px */
  --pm-font-size-2xl: 1.5rem; /* 24px */
  --pm-font-size-3xl: 1.875rem; /* 30px */
  --pm-font-size-4xl: 2.25rem; /* 36px */

  /* Line Heights */
  --pm-leading-tight: 1.25;
  --pm-leading-normal: 1.5;
  --pm-leading-relaxed: 1.75;

  /* Color Palette - Security-First Design */
  --pm-deep-blue: #1e3a8a; /* Primary - Trust & Security */
  --pm-deep-blue-hover: #1e40af; /* Primary Hover */
  --pm-deep-blue-active: #1d4ed8; /* Primary Active */
  --pm-deep-blue-light: #dbeafe; /* Primary Background */

  --pm-sage-green: #059669; /* Success & Security Confirmations */
  --pm-sage-green-hover: #047857; /* Success Hover */
  --pm-sage-green-light: #d1fae5; /* Success Background */

  --pm-warm-gray: #6b7280; /* Text & Subtle Elements */
  --pm-warm-gray-50: #f9fafb; /* Background */
  --pm-warm-gray-100: #f3f4f6; /* Light Background */
  --pm-warm-gray-200: #e5e7eb; /* Border */
  --pm-warm-gray-300: #d1d5db; /* Border Subtle */
  --pm-warm-gray-400: #9ca3af; /* Text Muted */
  --pm-warm-gray-500: #6b7280; /* Text Secondary */
  --pm-warm-gray-600: #4b5563; /* Text Primary */
  --pm-warm-gray-700: #374151; /* Text Dark */
  --pm-warm-gray-800: #1f2937; /* Text Darkest */
  --pm-warm-gray-900: #111827; /* Background Dark */

  --pm-amber: #f59e0b; /* Warnings & Attention */
  --pm-amber-hover: #d97706; /* Warning Hover */
  --pm-amber-light: #fef3c7; /* Warning Background */

  --pm-red: #dc2626; /* Errors & Security Alerts */
  --pm-red-hover: #b91c1c; /* Error Hover */
  --pm-red-light: #fee2e2; /* Error Background */

  /* Semantic Color Assignments */
  --pm-color-primary: var(--pm-deep-blue);
  --pm-color-primary-hover: var(--pm-deep-blue-hover);
  --pm-color-success: var(--pm-sage-green);
  --pm-color-warning: var(--pm-amber);
  --pm-color-danger: var(--pm-red);
  --pm-color-text: var(--pm-warm-gray-700);
  --pm-color-text-muted: var(--pm-warm-gray-500);
  --pm-color-background: var(--pm-warm-gray-50);
  --pm-color-surface: #ffffff;

  /* Spacing System - 8px Base Grid */
  --pm-space-0: 0;
  --pm-space-1: 0.125rem; /* 2px */
  --pm-space-2: 0.25rem; /* 4px */
  --pm-space-3: 0.5rem; /* 8px */
  --pm-space-4: 0.75rem; /* 12px */
  --pm-space-5: 1rem; /* 16px */
  --pm-space-6: 1.25rem; /* 20px */
  --pm-space-7: 1.5rem; /* 24px */
  --pm-space-8: 2rem; /* 32px */
  --pm-space-9: 2.5rem; /* 40px */
  --pm-space-10: 3rem; /* 48px */
  --pm-space-12: 4rem; /* 64px */
  --pm-space-16: 6rem; /* 96px */
  --pm-space-20: 8rem; /* 128px */

  /* Border Radius System */
  --pm-radius-none: 0;
  --pm-radius-sm: 0.25rem; /* 4px - Buttons */
  --pm-radius-base: 0.375rem; /* 6px - Inputs */
  --pm-radius-md: 0.5rem; /* 8px - Cards */
  --pm-radius-lg: 0.75rem; /* 12px - Large Cards */
  --pm-radius-xl: 1rem; /* 16px - Modals */
  --pm-radius-full: 9999px; /* Full rounded */

  /* Shadow System */
  --pm-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --pm-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1),
    0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --pm-shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --pm-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --pm-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --pm-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --pm-shadow-security: 0 4px 12px rgba(30, 58, 138, 0.15); /* Security-themed shadow */

  /* Animation & Transitions */
  --pm-transition-fast: 150ms ease-in-out;
  --pm-transition-base: 200ms ease-in-out;
  --pm-transition-slow: 300ms ease-in-out;
  --pm-transition-colors: color 150ms ease-in-out,
    background-color 150ms ease-in-out, border-color 150ms ease-in-out;

  /* Z-Index Scale */
  --pm-z-dropdown: 1000;
  --pm-z-sticky: 1020;
  --pm-z-fixed: 1030;
  --pm-z-modal-backdrop: 1040;
  --pm-z-modal: 1050;
  --pm-z-popover: 1060;
  --pm-z-tooltip: 1070;
  --pm-z-toast: 1080;

  /* Bootstrap Override Variables */
  --bs-font-sans-serif: var(--pm-font-family);
  --bs-primary: var(--pm-deep-blue);
  --bs-primary-rgb: 30, 58, 138;
  --bs-success: var(--pm-sage-green);
  --bs-success-rgb: 5, 150, 105;
  --bs-secondary: var(--pm-warm-gray);
  --bs-secondary-rgb: 107, 114, 128;
  --bs-warning: var(--pm-amber);
  --bs-warning-rgb: 245, 158, 11;
  --bs-danger: var(--pm-red);
  --bs-danger-rgb: 220, 38, 38;
  --bs-info: #0ea5e9;
  --bs-info-rgb: 14, 165, 233;
  --bs-light: var(--pm-warm-gray-100);
  --bs-light-rgb: 243, 244, 246;
  --bs-dark: var(--pm-warm-gray-800);
  --bs-dark-rgb: 31, 41, 55;
  --bs-body-bg: var(--pm-color-background);
  --bs-body-color: var(--pm-color-text);
  --bs-border-radius: var(--pm-radius-md);
  --bs-border-radius-sm: var(--pm-radius-sm);
  --bs-border-radius-lg: var(--pm-radius-lg);
  --bs-border-radius-xl: var(--pm-radius-xl);
}

/* ============================================================================
   BASE STYLES
   ============================================================================ */

* {
  box-sizing: border-box;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: var(--pm-font-family);
  font-size: var(--pm-font-size-base);
  font-weight: var(--pm-font-weight-regular);
  line-height: var(--pm-leading-normal);
  color: var(--pm-color-text);
  background-color: var(--pm-color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
}

/* ============================================================================
   ACCESSIBILITY - FOCUS MANAGEMENT
   ============================================================================ */

/* Remove default outline and implement consistent focus styles */
a,
button,
[tabindex]:not([tabindex="-1"]),
input,
textarea,
select {
  outline: none;
  box-shadow: none;
  transition: var(--pm-transition-colors), box-shadow var(--pm-transition-fast);
}

/* Visible focus styles for accessibility */
a:focus-visible,
button:focus-visible,
[tabindex]:not([tabindex="-1"]):focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--pm-color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 0.2rem rgba(30, 58, 138, 0.25);
}

/* Skip to content link for screen readers */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--pm-color-primary);
  color: white;
  padding: 8px;
  border-radius: var(--pm-radius-sm);
  text-decoration: none;
  z-index: var(--pm-z-tooltip);
  transition: top var(--pm-transition-fast);
}

.skip-to-content:focus {
  top: 6px;
}

/* ============================================================================
   COMPONENT STYLES
   ============================================================================ */

/* Enhanced Card Styles */
.card {
  border-radius: var(--pm-radius-md);
  border: 1px solid var(--pm-warm-gray-200);
  box-shadow: var(--pm-shadow-sm);
  transition: var(--pm-transition-colors), box-shadow var(--pm-transition-base),
    transform var(--pm-transition-base);
  background-color: var(--pm-color-surface);
}

.card:hover {
  box-shadow: var(--pm-shadow-md);
  transform: translateY(-1px);
  border-color: var(--pm-warm-gray-300);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  box-shadow: var(--pm-shadow-lg);
  transform: translateY(-2px);
  border-color: var(--pm-color-primary);
}

.card-security {
  border-left: 4px solid var(--pm-color-primary);
  box-shadow: var(--pm-shadow-security);
}

/* Enhanced Button Styles */
.btn {
  border-radius: var(--pm-radius-sm);
  font-weight: var(--pm-font-weight-medium);
  transition: var(--pm-transition-colors), box-shadow var(--pm-transition-fast),
    transform var(--pm-transition-fast);
  border-width: 1px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pm-space-2);
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary {
  background-color: var(--pm-color-primary);
  border-color: var(--pm-color-primary);
  box-shadow: var(--pm-shadow-sm);
}

.btn-primary:hover {
  background-color: var(--pm-color-primary-hover);
  border-color: var(--pm-color-primary-hover);
  box-shadow: var(--pm-shadow-md);
}

.btn-security {
  background: linear-gradient(
    135deg,
    var(--pm-color-primary) 0%,
    var(--pm-deep-blue-hover) 100%
  );
  border: none;
  color: white;
  box-shadow: var(--pm-shadow-security);
}

.btn-security:hover {
  background: linear-gradient(
    135deg,
    var(--pm-deep-blue-hover) 0%,
    var(--pm-deep-blue-active) 100%
  );
  box-shadow: var(--pm-shadow-lg);
}

/* Enhanced Form Styles */
.form-control {
  border-radius: var(--pm-radius-base);
  border: 1px solid var(--pm-warm-gray-300);
  transition: var(--pm-transition-colors), box-shadow var(--pm-transition-fast);
  font-size: var(--pm-font-size-base);
}

.form-control:focus {
  border-color: var(--pm-color-primary);
  box-shadow: 0 0 0 0.2rem rgba(30, 58, 138, 0.15);
}

.form-label {
  font-weight: var(--pm-font-weight-medium);
  color: var(--pm-color-text);
  margin-bottom: var(--pm-space-2);
}

/* Security Indicators */
.security-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--pm-space-2);
  padding: var(--pm-space-2) var(--pm-space-3);
  border-radius: var(--pm-radius-full);
  font-size: var(--pm-font-size-sm);
  font-weight: var(--pm-font-weight-medium);
}

.security-indicator-secure {
  background-color: var(--pm-sage-green-light);
  color: var(--pm-sage-green);
  border: 1px solid var(--pm-sage-green);
}

.security-indicator-warning {
  background-color: var(--pm-amber-light);
  color: var(--pm-amber);
  border: 1px solid var(--pm-amber);
}

.security-indicator-danger {
  background-color: var(--pm-red-light);
  color: var(--pm-red);
  border: 1px solid var(--pm-red);
}

/* Password Strength Meter */
.password-strength-meter {
  height: 4px;
  background-color: var(--pm-warm-gray-200);
  border-radius: var(--pm-radius-full);
  overflow: hidden;
  margin-top: var(--pm-space-2);
}

.password-strength-fill {
  height: 100%;
  transition: width var(--pm-transition-base),
    background-color var(--pm-transition-base);
  border-radius: var(--pm-radius-full);
}

.password-strength-weak {
  background-color: var(--pm-red);
  width: 25%;
}

.password-strength-fair {
  background-color: var(--pm-amber);
  width: 50%;
}

.password-strength-good {
  background-color: var(--pm-color-success);
  width: 75%;
}

.password-strength-strong {
  background-color: var(--pm-color-success);
  width: 100%;
}

/* Loading States */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--pm-warm-gray-300);
  border-radius: 50%;
  border-top-color: var(--pm-color-primary);
  animation: spin 1s ease-in-out infinite;
}

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

.skeleton {
  background: linear-gradient(
    90deg,
    var(--pm-warm-gray-200) 25%,
    var(--pm-warm-gray-100) 50%,
    var(--pm-warm-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--pm-radius-sm);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--pm-space-8);
  right: var(--pm-space-8);
  z-index: var(--pm-z-toast);
}

.toast-success {
  border-left: 4px solid var(--pm-color-success);
  background-color: var(--pm-sage-green-light);
}

.toast-error {
  border-left: 4px solid var(--pm-color-danger);
  background-color: var(--pm-red-light);
}

.toast-warning {
  border-left: 4px solid var(--pm-color-warning);
  background-color: var(--pm-amber-light);
}

/* ============================================================================
   LAYOUT UTILITIES
   ============================================================================ */

/* Responsive spacing utilities */
.pm-space-y-1 > * + * {
  margin-top: var(--pm-space-3);
}
.pm-space-y-2 > * + * {
  margin-top: var(--pm-space-5);
}
.pm-space-y-3 > * + * {
  margin-top: var(--pm-space-7);
}
.pm-space-y-4 > * + * {
  margin-top: var(--pm-space-8);
}

.pm-space-x-1 > * + * {
  margin-left: var(--pm-space-3);
}
.pm-space-x-2 > * + * {
  margin-left: var(--pm-space-5);
}
.pm-space-x-3 > * + * {
  margin-left: var(--pm-space-7);
}
.pm-space-x-4 > * + * {
  margin-left: var(--pm-space-8);
}

/* Security-themed gradients */
.bg-gradient-security {
  background: linear-gradient(
    135deg,
    var(--pm-color-primary) 0%,
    var(--pm-deep-blue-hover) 100%
  );
}

.bg-gradient-success {
  background: linear-gradient(
    135deg,
    var(--pm-color-success) 0%,
    var(--pm-sage-green-hover) 100%
  );
}

/* Text utilities */
.text-security {
  color: var(--pm-color-primary);
}
.text-success-custom {
  color: var(--pm-color-success);
}
.text-warning-custom {
  color: var(--pm-color-warning);
}
.text-danger-custom {
  color: var(--pm-color-danger);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

/* Mobile-first responsive breakpoints */
@media (max-width: 767.98px) {
  .mobile-hidden {
    display: none !important;
  }
  .mobile-visible {
    display: block !important;
  }

  .card {
    margin-bottom: var(--pm-space-5);
  }

  .btn {
    min-height: 44px; /* Touch-friendly size */
  }

  /* Ensure main content doesn't get hidden behind mobile tab bar */
  body {
    padding-bottom: 80px; /* Match mobile tab bar height */
  }

  /* Prevent horizontal scroll on mobile */
  html,
  body {
    overflow-x: hidden;
  }
}

@media (min-width: 768px) {
  .desktop-hidden {
    display: none !important;
  }
  .mobile-visible {
    display: none !important;
  }
}

/* ============================================================================
   LEGACY STYLES (TO BE REMOVED)
   ============================================================================ */

/* Form Validation States */
.validation-message {
  color: var(--pm-color-danger);
  font-size: var(--pm-font-size-sm);
  margin-top: var(--pm-space-1);
  display: block;
}

/* Blazor Error UI */
#blazor-error-ui {
  background: var(--pm-color-danger);
  color: white;
  border: none;
  border-radius: var(--pm-radius-base);
  z-index: var(--pm-z-toast);
  box-shadow: var(--pm-shadow-lg);
}

#blazor-error-ui .dismiss {
  cursor: pointer;
}

/* Blazor Error Boundary */
.blazor-error-boundary {
  background: url(data:image/svg+xml;base64,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)
      no-repeat 1rem/1.8rem,
    var(--pm-color-danger);
  padding: 1rem 1rem 1rem 3.7rem;
  color: white;
  border-radius: var(--pm-radius-base);
}

.blazor-error-boundary::after {
  content: "An error has occurred.";
}

/* Utility Classes */
.shadow-hover {
  transition: box-shadow var(--pm-transition-base);
}

.shadow-hover:hover {
  box-shadow: var(--pm-shadow-lg) !important;
}

/* ============================================================================
   DROPDOWN FIXES
   ============================================================================ */

/* Fix dropdown button styling issues */
.dropdown .btn {
  transform: none !important;
  box-shadow: none !important;
  background: transparent !important;
  border: none !important;
}

.dropdown .btn:hover {
  transform: none !important;
  box-shadow: none !important;
  background: transparent !important;
}

.dropdown .btn:focus {
  transform: none !important;
  box-shadow: none !important;
  background: transparent !important;
}

.dropdown .btn:active {
  transform: none !important;
  box-shadow: none !important;
  background: transparent !important;
}

/* Ensure dropdown button maintains clean appearance */
.dropdown .btn-link {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  transform: none !important;
}

.dropdown .btn-link:hover,
.dropdown .btn-link:focus,
.dropdown .btn-link:active {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  transform: none !important;
  text-decoration: none !important;
}

/* Mobile dropdown button fixes */
.dropdown .btn-outline-light {
  background: transparent !important;
  transform: none !important;
  box-shadow: none !important;
}

.dropdown .btn-outline-light:hover,
.dropdown .btn-outline-light:focus,
.dropdown .btn-outline-light:active {
  background: rgba(255, 255, 255, 0.1) !important;
  transform: none !important;
  box-shadow: none !important;
}