/* ============================================
   LuniCare Design System
   Mobile-first, soothing, and inviting
   ============================================ */

/* --------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------- */
:root {
  /* Primary Color - Calm Blue */
  --color-primary: #4A90E2;
  --color-primary-light: #7FB3F0;
  --color-primary-lighter: #A8C9F0;
  --color-primary-lightest: #DCE9F7;
  --color-primary-dark: #3A7BC8;
  --color-primary-darker: #2B5A94;

  /* Secondary Color - Warm Amber */
  --color-secondary: #F5A623;
  --color-secondary-light: #FFBE4D;
  --color-secondary-lighter: #F5D08A;
  --color-secondary-lightest: #F5E8CC;
  --color-secondary-dark: #D9901A;
  --color-secondary-darker: #B87714;

  /* Success Color - Fresh Green */
  --color-success: #7ED321;
  --color-success-light: #A3E35A;
  --color-success-lighter: #B8DE8A;
  --color-success-lightest: #E0F0CC;
  --color-success-dark: #6AB81C;
  --color-success-darker: #4F8A14;

  /* Error Color - Soft Red */
  --color-error: #D0021B;
  --color-error-light: #E54359;
  --color-error-lighter: #E8929A;
  --color-error-lightest: #F5DDE0;
  --color-error-dark: #B30218;
  --color-error-darker: #8A0112;

  /* Warning Color - Derived from Secondary */
  --color-warning: #F5A623;
  --color-warning-light: #F5C66A;
  --color-warning-lightest: #F5E8CC;

  /* Info Color - Derived from Primary */
  --color-info: #4A90E2;
  --color-info-light: #7FB3F0;
  --color-info-lightest: #DCE9F7;

  /* Neutral Colors - Warm Grays (no pure white) */
  --color-neutral-50: #F5F6F7;
  --color-neutral-100: #ECEEF0;
  --color-neutral-200: #DFE2E6;
  --color-neutral-300: #CCD1D9;
  --color-neutral-400: #9BA5B3;
  --color-neutral-500: #6E7A8A;
  --color-neutral-600: #525E6D;
  --color-neutral-700: #3D4754;
  --color-neutral-800: #2A323D;
  --color-neutral-900: #1A2028;

  /* Background Colors - Softer, no pure white */
  --bg-primary: #F5F6F7;
  --bg-secondary: #EAECEF;
  --bg-tertiary: #DFE2E6;
  --bg-card: #F8F9FA;
  --bg-elevated: #FAFBFC;
  --bg-overlay: rgba(26, 32, 40, 0.6);

  /* Text Colors */
  --text-primary: var(--color-neutral-700);
  --text-secondary: var(--color-neutral-600);
  --text-tertiary: var(--color-neutral-500);
  --text-inverse: #F5F6F7;
  --text-link: var(--color-primary);
  --text-link-hover: var(--color-primary-dark);

  /* Border Colors */
  --border-light: var(--color-neutral-200);
  --border-default: var(--color-neutral-300);
  --border-focus: var(--color-primary);

  /* Shadows - Soft and subtle */
  --shadow-xs: 0 1px 2px rgba(26, 32, 40, 0.04);
  --shadow-sm: 0 1px 3px rgba(26, 32, 40, 0.06), 0 1px 2px rgba(26, 32, 40, 0.04);
  --shadow-md: 0 4px 6px rgba(26, 32, 40, 0.06), 0 2px 4px rgba(26, 32, 40, 0.04);
  --shadow-lg: 0 10px 15px rgba(26, 32, 40, 0.06), 0 4px 6px rgba(26, 32, 40, 0.04);
  --shadow-xl: 0 20px 25px rgba(26, 32, 40, 0.08), 0 8px 10px rgba(26, 32, 40, 0.04);
  --shadow-focus: 0 0 0 3px rgba(74, 144, 226, 0.25);
  --shadow-focus-error: 0 0 0 3px rgba(208, 2, 27, 0.25);

  /* Spacing Scale */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */

  /* Border Radius */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: var(--font-family);

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

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;

  /* Mobile Navigation Height */
  --nav-height-mobile: 4rem;
  --nav-height-desktop: 3.5rem;
  --sidebar-width: 260px;
}

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

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: var(--space-3);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

@media (min-width: 768px) {
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--text-link-hover);
  text-decoration: underline;
}

h1:focus, h2:focus, h3:focus {
  outline: none;
}

/* Focus States */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --------------------------------------------
   Bootstrap Overrides
   -------------------------------------------- */

/* Buttons */
.btn {
  font-family: var(--font-family);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  line-height: 1.5;
}

.btn:focus, .btn:active:focus {
  box-shadow: var(--shadow-focus);
}

.btn-primary {
  color: var(--text-inverse);
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--text-inverse);
}

.btn-primary:active {
  background-color: var(--color-primary-darker);
  border-color: var(--color-primary-darker);
}

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--text-inverse);
}

.btn-success {
  color: var(--text-inverse);
  background-color: var(--color-success-dark);
  border: 1px solid var(--color-success-dark);
}

.btn-success:hover, .btn-success:focus {
  background-color: var(--color-success-dark);
  border-color: var(--color-success-dark);
  color: var(--text-inverse);
}

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

.btn-danger:hover, .btn-danger:focus {
  background-color: var(--color-error-dark);
  border-color: var(--color-error-dark);
  color: var(--text-inverse);
}

.btn-info {
  color: var(--text-inverse);
  background-color: var(--color-info);
  border: 1px solid var(--color-info);
}

.btn-info:hover, .btn-info:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--text-inverse);
}

.btn-warning {
  color: var(--text-primary);
  background-color: var(--color-warning);
  border: 1px solid var(--color-warning);
}

.btn-warning:hover, .btn-warning:focus {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
}

.btn-outline-primary {
  color: var(--color-primary);
  background-color: transparent;
  border: 1px solid var(--color-primary);
}

.btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-inverse);
}

.btn-outline-secondary {
  color: var(--color-secondary-dark);
  background-color: transparent;
  border: 1px solid var(--color-secondary);
}

.btn-outline-secondary:hover, .btn-outline-secondary:focus {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--text-inverse);
}

.btn-outline-success {
  color: var(--color-success-dark);
  background-color: transparent;
  border: 1px solid var(--color-success);
}

.btn-outline-success:hover, .btn-outline-success:focus {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: var(--text-inverse);
}

.btn-outline-danger {
  color: var(--color-error);
  background-color: transparent;
  border: 1px solid var(--color-error);
}

.btn-outline-danger:hover, .btn-outline-danger:focus {
  background-color: var(--color-error);
  border-color: var(--color-error);
  color: var(--text-inverse);
}

.btn-link {
  color: var(--text-link);
  background: none;
  border: none;
  padding: 0;
  font-weight: var(--font-weight-medium);
}

.btn-link:hover {
  color: var(--text-link-hover);
  text-decoration: underline;
}

/* Large Buttons */
.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

/* Small Buttons */
.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-body {
  padding: var(--space-5);
}

@media (min-width: 768px) {
  .card-body {
    padding: var(--space-6);
  }
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

/* Card Variants */
.card.border-primary {
  border-color: var(--color-primary-light);
  border-left-width: 4px;
}

.card.border-success {
  border-color: var(--color-success-light);
  border-left-width: 4px;
}

.card.border-info {
  border-color: var(--color-info-light);
  border-left-width: 4px;
}

.card.border-warning {
  border-color: var(--color-warning-light);
  border-left-width: 4px;
}

.card.border-danger {
  border-color: var(--color-error-light);
  border-left-width: 4px;
}

/* Interactive Card */
.card-interactive {
  cursor: pointer;
}

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

.card-interactive:active {
  transform: translateY(0);
}

/* Forms */
.form-control, .form-select {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.form-control:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

.form-control:disabled, .form-select:disabled {
  background-color: var(--bg-tertiary);
  color: var(--text-tertiary);
  cursor: not-allowed;
}

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

.form-text {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

/* Floating Labels */
.form-floating > .form-control,
.form-floating > .form-select {
  height: calc(3.5rem + 2px);
  padding: 1rem var(--space-4);
}

.form-floating > label {
  color: var(--text-tertiary);
  padding: 1rem var(--space-4);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  color: var(--color-primary);
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: transparent;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  color: var(--text-tertiary);
}

/* Checkbox & Radio */
.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border-default);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-check-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-check-input:focus {
  box-shadow: var(--shadow-focus);
  border-color: var(--color-primary);
}

.form-check-input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check-label {
  color: var(--text-primary);
  cursor: pointer;
}

/* Validation States */
.is-valid, .valid.modified:not([type=checkbox]) {
  border-color: var(--color-success) !important;
  outline: none;
}

.is-valid:focus, .valid.modified:not([type=checkbox]):focus {
  box-shadow: 0 0 0 3px rgba(126, 211, 33, 0.25) !important;
}

.is-invalid, .invalid {
  border-color: var(--color-error) !important;
  outline: none;
}

.is-invalid:focus, .invalid:focus {
  box-shadow: var(--shadow-focus-error) !important;
}

.valid-feedback {
  color: var(--color-success-dark);
  font-size: var(--font-size-sm);
}

.invalid-feedback, .validation-message {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-1);
}

/* Alerts */
.alert {
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  border: none;
  font-size: var(--font-size-sm);
}

.alert-primary {
  background-color: var(--color-primary-lightest);
  color: var(--color-primary-darker);
}

.alert-secondary {
  background-color: var(--color-secondary-lightest);
  color: var(--color-secondary-darker);
}

.alert-success {
  background-color: var(--color-success-lightest);
  color: var(--color-success-darker);
}

.alert-danger {
  background-color: var(--color-error-lightest);
  color: var(--color-error-darker);
}

.alert-warning {
  background-color: var(--color-warning-lightest);
  color: var(--color-secondary-darker);
}

.alert-info {
  background-color: var(--color-info-lightest);
  color: var(--color-primary-darker);
}

.alert-link {
  font-weight: var(--font-weight-semibold);
  color: inherit;
  text-decoration: underline;
}

/* Badges */
.badge {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

.bg-primary {
  background-color: var(--color-primary) !important;
}

.bg-secondary {
  background-color: var(--color-secondary) !important;
}

.bg-success {
  background-color: var(--color-success) !important;
}

.bg-danger {
  background-color: var(--color-error) !important;
}

.bg-warning {
  background-color: var(--color-warning) !important;
  color: var(--text-primary) !important;
}

.bg-info {
  background-color: var(--color-info) !important;
}

/* Text Colors */
.text-primary {
  color: var(--color-primary) !important;
}

.text-secondary {
  color: var(--color-secondary) !important;
}

.text-success {
  color: var(--color-success) !important;
}

.text-danger {
  color: var(--color-error) !important;
}

.text-warning {
  color: var(--color-warning) !important;
}

.text-info {
  color: var(--color-info) !important;
}

.text-muted {
  color: var(--text-secondary) !important;
}

/* Spinner */
.spinner-border {
  color: var(--color-primary);
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
}

/* Tables */
.table {
  --bs-table-bg: transparent;
  --bs-table-striped-bg: var(--bg-tertiary);
  --bs-table-hover-bg: var(--color-primary-lightest);
  border-color: var(--border-light);
}

.table > thead {
  background-color: var(--bg-tertiary);
}

.table > thead > tr > th {
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  border-bottom-width: 1px;
}

.table > tbody > tr > td {
  vertical-align: middle;
  padding: var(--space-3) var(--space-4);
}

/* Modals */
.modal-content {
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.modal-header {
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-5) var(--space-6);
}

.modal-title {
  font-weight: var(--font-weight-semibold);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  border-top: 1px solid var(--border-light);
  padding: var(--space-4) var(--space-6);
  gap: var(--space-2);
}

.btn-close:focus {
  box-shadow: var(--shadow-focus);
}

/* Dropdowns */
.dropdown-menu {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
}

.dropdown-item {
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  color: var(--text-primary);
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--color-primary-lightest);
  color: var(--color-primary-dark);
}

.dropdown-item.active, .dropdown-item:active {
  background-color: var(--color-primary);
  color: var(--text-inverse);
}

/* Tooltips */
.tooltip-inner {
  background-color: var(--color-neutral-800);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

/* Progress */
.progress {
  height: 0.5rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
}

.progress-bar {
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

/* --------------------------------------------
   Layout Components
   -------------------------------------------- */

/* Content Area */
.content {
  padding: var(--space-4);
  padding-bottom: calc(var(--nav-height-mobile) + var(--space-4));
}

@media (min-width: 769px) {
  .content {
    padding: var(--space-6);
    padding-bottom: var(--space-6);
  }
}

/* Container - extend Bootstrap's container with consistent padding */
.container,
.container-fluid {
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container,
  .container-fluid {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

/* Page Container */
.page-container {
  width: 100%;
}

/* Page Header */
.page-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-header h1,
.page-header h2 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.page-header p {
  margin: 0;
  color: var(--text-secondary);
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .page-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .page-actions .btn-text {
    display: none;
  }
}

/* Section */
.section {
  margin-bottom: var(--space-8);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-4);
  background-color: var(--bg-primary);
  border-radius: var(--radius-xl);
  border: 2px dashed var(--border-light);
}

.empty-state-icon {
  font-size: 3rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  max-width: 24rem;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------
   Utility Classes
   -------------------------------------------- */

/* Spacing */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* Border Radius */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* --------------------------------------------
   Loading & Error States
   -------------------------------------------- */

#blazor-error-ui {
  color-scheme: light only;
  background: var(--color-error-lightest);
  border-top: 3px solid var(--color-error);
  bottom: 0;
  box-shadow: var(--shadow-lg);
  box-sizing: border-box;
  display: none;
  left: 0;
  padding: var(--space-4) var(--space-6);
  position: fixed;
  width: 100%;
  z-index: var(--z-modal);
  color: var(--color-error-darker);
}

#blazor-error-ui .dismiss {
  cursor: pointer;
  position: absolute;
  right: var(--space-4);
  top: var(--space-3);
  font-size: var(--font-size-lg);
}

#blazor-error-ui .reload {
  color: var(--color-error);
  font-weight: var(--font-weight-semibold);
  margin-left: var(--space-2);
}

.blazor-error-boundary {
  background: var(--color-error);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  color: var(--text-inverse);
}

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

/* Loading Progress */
.loading-progress {
  position: absolute;
  display: block;
  width: 8rem;
  height: 8rem;
  inset: 30vh 0 auto 0;
  margin: 0 auto;
}

.loading-progress circle {
  fill: none;
  stroke: var(--color-primary-lighter);
  stroke-width: 0.5rem;
  transform-origin: 50% 50%;
  transform: rotate(-90deg);
}

.loading-progress circle:last-child {
  stroke: var(--color-primary);
  stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
  transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
  position: absolute;
  text-align: center;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  inset: calc(30vh + 3.5rem) 0 auto 0;
}

.loading-progress-text:after {
  content: var(--blazor-load-percentage-text, "Loading");
}

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-neutral-200) 25%,
    var(--color-neutral-100) 50%,
    var(--color-neutral-200) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

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

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-2);
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: var(--space-3);
}

.skeleton-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 8rem;
}

/* --------------------------------------------
   Icons (Bootstrap Icons support)
   -------------------------------------------- */

.bi {
  display: inline-block;
  vertical-align: -0.125em;
}

/* Icon Colors */
.bi.text-primary { color: var(--color-primary); }
.bi.text-secondary { color: var(--color-secondary); }
.bi.text-success { color: var(--color-success); }
.bi.text-danger { color: var(--color-error); }
.bi.text-warning { color: var(--color-warning); }
.bi.text-info { color: var(--color-info); }

/* Icon Sizes */
.icon-sm { font-size: 1rem; }
.icon-md { font-size: 1.5rem; }
.icon-lg { font-size: 2rem; }
.icon-xl { font-size: 3rem; }

/* --------------------------------------------
   Responsive Utilities
   -------------------------------------------- */

/* Hide on mobile */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

/* Hide on desktop */
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* Safe area padding for iOS */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .safe-area-bottom {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* --------------------------------------------
   Code Styling
   -------------------------------------------- */

code {
  color: var(--color-secondary-dark);
  background-color: var(--color-secondary-lightest);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 0.875em;
}

pre {
  background-color: var(--color-neutral-800);
  color: var(--color-neutral-100);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
}

/* --------------------------------------------
   Animation Utilities
   -------------------------------------------- */

.fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp var(--transition-slow) ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Smooth transitions for interactive elements */
.transition-all {
  transition: all var(--transition-base);
}

.transition-colors {
  transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);
}

/* Hover lift effect */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ─── Modal ────────────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

/* Custom confirm/alert dialog — scoped to .modal-overlay only.
   Bootstrap modals use .modal > .modal-dialog and are NOT affected. */
.modal-overlay .modal-dialog {
  pointer-events: auto;
  background: var(--bg-primary);
  border-radius: var(--radius-xl, 1rem);
  box-shadow: var(--shadow-xl);
  width: min(360px, calc(100vw - 2rem));
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}

.modal-overlay .modal-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--border-light);
}

.modal-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.modal-overlay .modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-overlay .modal-body {
  padding: var(--space-5) var(--space-6);
}

.modal-overlay .modal-body p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.modal-overlay .modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6) var(--space-5);
  border-top: 1px solid var(--border-light);
}

.modal-btn {
  padding: var(--space-2) var(--space-5);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal-btn-cancel {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.modal-btn-cancel:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-btn-confirm {
  background: var(--color-error, #dc2626);
  color: #ffffff;
}

.modal-btn-confirm:hover {
  background: var(--color-error-dark, #b91c1c);
}

/* ─── PWA Install Modal ─────────────────────────────────────────────────────── */

/* Override overlay: clicks on the backdrop do NOT close this modal */
.pwa-install-modal-overlay {
  cursor: default;
  /* Explicitly pin centering in case any inherited flex context shifts alignment */
  align-items: center;
  justify-content: center;
}

.pwa-install-modal {
  pointer-events: auto;
  background: var(--bg-primary);
  border-radius: var(--radius-xl, 1rem);
  box-shadow: var(--shadow-xl);
  width: min(420px, calc(100vw - 2rem));
  /* Cap height so the modal never overflows the viewport and loses its centering */
  max-height: calc(100dvh - 2rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: fixed;
  top: 0.5rem;
}

/* Hero banner */
.pwa-install-modal__hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--space-8) var(--space-6) var(--space-7);
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
}

.pwa-install-modal__hero-ring {
  width: 70px;
  height: 70px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.18);
  border: 2.5px solid rgba(255, 255, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  margin: 0.5rem
}

.pwa-install-modal__hero-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: block;
}

/* Body */
.pwa-install-modal__body {
  padding: var(--space-6) var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow-y: auto; /* scroll body content on very small screens */
}

.pwa-install-modal__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: #fff;
  margin: 0;
  text-align: center;
}

.pwa-install-modal__tagline {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0 0 var(--space-5);
}

/* Benefits list */
.pwa-install-modal__benefits {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  text-align: left;
}

.pwa-install-modal__benefits li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.pwa-install-modal__benefit-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

/* Install button */
.pwa-install-modal__install-btn {
  width: 100%;
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  gap: var(--space-2);
}

/* "Not now" ghost link */
.pwa-install-modal__not-now {
  margin-top: var(--space-3);
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.pwa-install-modal__not-now:hover {
  color: var(--text-secondary);
}

.pwa-install-modal__not-now:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Skip confirm button (in confirm-skip phase) */
.pwa-install-modal__skip-confirm-btn {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.pwa-install-modal__skip-confirm-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Install spinner */
.pwa-install-modal__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: pwa-spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* When the guide is shown, left-align its content */
.pwa-install-modal__body .install-guide {
  width: 100%;
  text-align: left;
}

.auth-img-loading,
.auth-img-error {
  display: inline-block;
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}