/* Base CSS - Global styles and utilities */

:root {
  /* Color System */
  --primary-100: #e3f2fd;
  --primary-200: #bbdefb;
  --primary-300: #90caf9;
  --primary-400: #64b5f6;
  --primary-500: #2196f3;
  --primary-600: #1976d2;
  --primary-700: #1565c0;
  --primary-800: #0d47a1;
  --primary-900: #0a3983;

  --secondary-100: #f3e5f5;
  --secondary-200: #e1bee7;
  --secondary-300: #ce93d8;
  --secondary-400: #ba68c8;
  --secondary-500: #9c27b0;
  --secondary-600: #8e24aa;
  --secondary-700: #7b1fa2;
  --secondary-800: #6a1b9a;
  --secondary-900: #4a148c;

  --success-100: #e8f5e8;
  --success-200: #c8e6c9;
  --success-300: #a5d6a7;
  --success-400: #81c784;
  --success-500: #4caf50;
  --success-600: #43a047;
  --success-700: #388e3c;
  --success-800: #2e7d32;
  --success-900: #1b5e20;

  --warning-100: #fff8e1;
  --warning-200: #ffecb3;
  --warning-300: #ffe082;
  --warning-400: #ffd54f;
  --warning-500: #ffc107;
  --warning-600: #ffb300;
  --warning-700: #ffa000;
  --warning-800: #ff8f00;
  --warning-900: #ff6f00;

  --error-100: #ffebee;
  --error-200: #ffcdd2;
  --error-300: #ef9a9a;
  --error-400: #e57373;
  --error-500: #f44336;
  --error-600: #e53935;
  --error-700: #d32f2f;
  --error-800: #c62828;
  --error-900: #b71c1c;

  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #eeeeee;
  --neutral-300: #e0e0e0;
  --neutral-400: #bdbdbd;
  --neutral-500: #9e9e9e;
  --neutral-600: #757575;
  --neutral-700: #616161;
  --neutral-800: #424242;
  --neutral-900: #212121;

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;

  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

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

  /* Light Theme Colors */
  --bg-primary: var(--neutral-50);
  --bg-secondary: #ffffff;
  --bg-tertiary: var(--neutral-100);
  --bg-hover: var(--neutral-200);
  --bg-selected: var(--primary-100);

  --text-primary: var(--neutral-900);
  --text-secondary: var(--neutral-700);
  --text-tertiary: var(--neutral-500);
  --text-inverse: #ffffff;

  --border-primary: var(--neutral-300);
  --border-secondary: var(--neutral-200);
  --border-focus: var(--primary-500);

  --surface: #ffffff;
  --surface-elevated: #ffffff;
}

[data-theme="dark"] {
  /* Dark Theme Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-hover: #262626;
  --bg-selected: #1e3a8a;

  --text-primary: #ffffff;
  --text-secondary: #e5e5e5;
  --text-tertiary: #a3a3a3;
  --text-inverse: var(--neutral-900);

  --border-primary: #404040;
  --border-secondary: #262626;
  --border-focus: var(--primary-400);

  --surface: #1a1a1a;
  --surface-elevated: #262626;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3),
    0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3),
    0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4),
    0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal),
    color var(--transition-normal);
  min-height: 100vh;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-4);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--spacing-4);
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

[data-theme="dark"] a {
  color: var(--primary-400);
}

[data-theme="dark"] a:hover {
  color: var(--primary-300);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  background-color: transparent;
  color: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  user-select: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--primary-600);
  color: white;
  border-color: var(--primary-600);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-700);
  border-color: var(--primary-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--bg-hover);
  border-color: var(--primary-500);
  color: var(--primary-600);
}

[data-theme="dark"] .btn-outline:hover:not(:disabled) {
  color: var(--primary-400);
}

.btn-success {
  background-color: var(--success-600);
  color: white;
  border-color: var(--success-600);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--success-700);
  border-color: var(--success-700);
}

.btn-danger {
  background-color: var(--error-600);
  color: white;
  border-color: var(--error-600);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--error-700);
  border-color: var(--error-700);
}

.btn-warning {
  background-color: var(--warning-600);
  color: var(--neutral-900);
  border-color: var(--warning-600);
}

.btn-warning:hover:not(:disabled) {
  background-color: var(--warning-700);
  border-color: var(--warning-700);
}

.btn-small {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
}

.btn-large {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
  border-radius: var(--border-radius-lg);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-6);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  background-color: var(--surface);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-control.error,
input.error,
textarea.error,
select.error {
  border-color: var(--error-500);
}

.error-message {
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--error-600);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.error-message:not(:empty) {
  opacity: 1;
}

/* Input Groups */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group input {
  padding-left: var(--spacing-10);
}

.input-group i {
  position: absolute;
  left: var(--spacing-3);
  color: var(--text-tertiary);
  z-index: 1;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-3);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--spacing-2);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast);
}

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

/* Checkbox Styles */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  cursor: pointer;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.checkmark {
  position: relative;
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 2px solid var(--border-primary);
  border-radius: var(--border-radius-sm);
  background-color: var(--surface);
  transition: all var(--transition-fast);
}

.checkbox-label input:checked + .checkmark {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
}

.checkmark::after {
  content: "";
  position: absolute;
  display: none;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label input:checked + .checkmark::after {
  display: block;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--neutral-400);
  transition: var(--transition-normal);
  border-radius: var(--border-radius-full);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-normal);
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: var(--primary-600);
}

input:checked + .toggle-slider:before {
  transform: translateX(24px);
}

/* Cards */
.card {
  background-color: var(--surface);
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .glass-card {
  background: rgba(26, 26, 26, 0.8);
  border-color: rgba(255, 255, 255, 0.1);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  display: none;
}

.modal-overlay.active {
  display: block;
}

.modal-content {
  background-color: var(--surface);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideIn var(--transition-normal) ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--border-secondary);
}

.modal-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--spacing-2);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

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

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

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--spacing-6);
  right: var(--spacing-6);
  z-index: var(--z-toast);
  max-width: 400px;
}

/* Prevent the toast container from intercepting pointer events so it
   doesn't block underlying mobile UI (nav buttons, inputs). Individual
   toasts remain interactive. */
.toast-container {
  pointer-events: none;
}

.toast {
  pointer-events: auto;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-6);
  margin-bottom: var(--spacing-2);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  color: white;
  font-weight: 500;
  animation: toastSlideIn var(--transition-normal) ease-out;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.toast:hover {
  transform: translateX(-5px);
}

.toast.success {
  background-color: var(--success-600);
}

.toast.error {
  background-color: var(--error-600);
}

.toast.warning {
  background-color: var(--warning-600);
  color: var(--neutral-900);
}

.toast.info {
  background-color: var(--primary-600);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.loading-overlay.active {
  display: flex;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid var(--primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

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

.text-xs {
  font-size: var(--font-size-xs);
}
.text-sm {
  font-size: var(--font-size-sm);
}
.text-base {
  font-size: var(--font-size-base);
}
.text-lg {
  font-size: var(--font-size-lg);
}
.text-xl {
  font-size: var(--font-size-xl);
}
.text-2xl {
  font-size: var(--font-size-2xl);
}

.text-primary {
  color: var(--text-primary);
}
.text-secondary {
  color: var(--text-secondary);
}
.text-tertiary {
  color: var(--text-tertiary);
}
.text-success {
  color: var(--success-600);
}
.text-error {
  color: var(--error-600);
}
.text-warning {
  color: var(--warning-600);
}

.bg-primary {
  background-color: var(--bg-primary);
}
.bg-secondary {
  background-color: var(--bg-secondary);
}
.bg-surface {
  background-color: var(--surface);
}

.border {
  border: 1px solid var(--border-primary);
}
.border-secondary {
  border: 1px solid var(--border-secondary);
}
.rounded {
  border-radius: var(--border-radius-md);
}
.rounded-lg {
  border-radius: var(--border-radius-lg);
}
.rounded-xl {
  border-radius: var(--border-radius-xl);
}
.rounded-2xl {
  border-radius: var(--border-radius-2xl);
}
.rounded-full {
  border-radius: var(--border-radius-full);
}

.shadow {
  box-shadow: var(--shadow-md);
}
.shadow-lg {
  box-shadow: var(--shadow-lg);
}
.shadow-xl {
  box-shadow: var(--shadow-xl);
}

.d-none {
  display: none;
}
.d-block {
  display: block;
}
.d-flex {
  display: flex;
}
.d-inline-flex {
  display: inline-flex;
}
.d-grid {
  display: grid;
}

.flex-row {
  flex-direction: row;
}
.flex-column {
  flex-direction: column;
}
.flex-wrap {
  flex-wrap: wrap;
}
.flex-nowrap {
  flex-wrap: nowrap;
}

.justify-start {
  justify-content: flex-start;
}
.justify-center {
  justify-content: center;
}
.justify-end {
  justify-content: flex-end;
}
.justify-between {
  justify-content: space-between;
}
.justify-around {
  justify-content: space-around;
}

.align-start {
  align-items: flex-start;
}
.align-center {
  align-items: center;
}
.align-end {
  align-items: flex-end;
}
.align-stretch {
  align-items: stretch;
}

.gap-1 {
  gap: var(--spacing-1);
}
.gap-2 {
  gap: var(--spacing-2);
}
.gap-3 {
  gap: var(--spacing-3);
}
.gap-4 {
  gap: var(--spacing-4);
}
.gap-6 {
  gap: var(--spacing-6);
}
.gap-8 {
  gap: var(--spacing-8);
}

.p-1 {
  padding: var(--spacing-1);
}
.p-2 {
  padding: var(--spacing-2);
}
.p-3 {
  padding: var(--spacing-3);
}
.p-4 {
  padding: var(--spacing-4);
}
.p-6 {
  padding: var(--spacing-6);
}
.p-8 {
  padding: var(--spacing-8);
}

.m-1 {
  margin: var(--spacing-1);
}
.m-2 {
  margin: var(--spacing-2);
}
.m-3 {
  margin: var(--spacing-3);
}
.m-4 {
  margin: var(--spacing-4);
}
.m-6 {
  margin: var(--spacing-6);
}
.m-8 {
  margin: var(--spacing-8);
}

.mb-0 {
  margin-bottom: 0;
}
.mb-2 {
  margin-bottom: var(--spacing-2);
}
.mb-4 {
  margin-bottom: var(--spacing-4);
}
.mb-6 {
  margin-bottom: var(--spacing-6);
}
.mb-8 {
  margin-bottom: var(--spacing-8);
}

.mt-0 {
  margin-top: 0;
}
.mt-2 {
  margin-top: var(--spacing-2);
}
.mt-4 {
  margin-top: var(--spacing-4);
}
.mt-6 {
  margin-top: var(--spacing-6);
}
.mt-8 {
  margin-top: var(--spacing-8);
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-3);
  }

  .modal-content {
    margin: var(--spacing-4);
    max-height: calc(100vh - 2rem);
  }

  .toast-container {
    left: var(--spacing-4);
    right: var(--spacing-4);
    bottom: var(--spacing-4);
    max-width: none;
  }

  .toast {
    padding: var(--spacing-3) var(--spacing-4);
  }

  .btn-large {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-4: 0.75rem;
    --spacing-6: 1rem;
    --spacing-8: 1.5rem;
  }

  .container {
    padding: 0 var(--spacing-2);
  }
}

/* Authentication Pages */
.auth-body {
  background: linear-gradient(
    135deg,
    var(--primary-600) 0%,
    var(--primary-800) 100%
  );
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

[data-theme="dark"] .auth-body {
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
}

.auth-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1000px;
  width: 100%;
  background: var(--surface);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  min-height: 600px;
}

.auth-card {
  padding: var(--spacing-12);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.auth-visual {
  background: linear-gradient(
    135deg,
    var(--primary-600) 0%,
    var(--primary-800) 100%
  );
  padding: var(--spacing-12);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.auth-visual::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)" /></svg>');
  opacity: 0.3;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: var(--spacing-6);
}

.auth-logo i {
  font-size: var(--font-size-2xl);
}

.auth-header h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-2);
}

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

.auth-form {
  flex: 1;
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-6);
}

.forgot-password {
  font-size: var(--font-size-sm);
  color: var(--primary-600);
}

.forgot-password:hover {
  color: var(--primary-700);
}

.form-footer {
  text-align: center;
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--border-secondary);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.form-footer a {
  color: var(--primary-600);
  font-weight: 500;
}

.visual-content {
  position: relative;
  z-index: 1;
}

.visual-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
}

.visual-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-8);
  opacity: 0.9;
}

.visual-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.visual-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-weight: 500;
}

.visual-feature i {
  width: 24px;
  text-align: center;
}

.visual-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  margin-top: var(--spacing-8);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-1);
}

.stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.password-strength {
  margin-top: var(--spacing-2);
  display: none;
}

.password-strength.visible {
  display: block;
}

.strength-bar {
  height: 4px;
  background-color: var(--neutral-300);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-1);
}

.strength-fill {
  height: 100%;
  transition: width var(--transition-normal),
    background-color var(--transition-normal);
  width: 0;
}

.strength-bar.weak .strength-fill {
  width: 25%;
  background-color: var(--error-500);
}

.strength-bar.fair .strength-fill {
  width: 50%;
  background-color: var(--warning-500);
}

.strength-bar.good .strength-fill {
  width: 75%;
  background-color: var(--success-500);
}

.strength-bar.strong .strength-fill {
  width: 100%;
  background-color: var(--success-600);
}

.strength-text {
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.strength-bar.weak + .strength-text {
  color: var(--error-600);
}

.strength-bar.fair + .strength-text {
  color: var(--warning-600);
}

.strength-bar.good + .strength-text {
  color: var(--success-600);
}

.strength-bar.strong + .strength-text {
  color: var(--success-700);
}

/* Enhanced Form Styles */
.form-select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  background-color: var(--surface);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

/* Settings Page Styles */
.settings-container {
  max-width: 800px;
  margin: 0 auto;
}

.settings-section {
  background: var(--surface);
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-6);
  margin-bottom: var(--spacing-6);
}

.settings-section.danger {
  border-color: var(--error-300);
}

.settings-section h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 0 var(--spacing-6) 0;
  color: var(--text-primary);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px solid var(--border-secondary);
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-4) 0;
  border-bottom: 1px solid var(--border-secondary);
  transition: background-color var(--transition-fast);
}

.setting-item:last-child {
  border-bottom: none;
}

.setting-item.clickable {
  cursor: pointer;
  margin: 0 calc(-1 * var(--spacing-4));
  padding: var(--spacing-4);
  border-radius: var(--border-radius-lg);
}

.setting-item.clickable:hover {
  background-color: var(--bg-hover);
}

.setting-info {
  flex: 1;
}

.setting-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
  display: block;
}

.setting-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  display: block;
}

.setting-action {
  background: none;
  border: 1px solid var(--border-primary);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.setting-action:hover {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: white;
}

.setting-action.danger {
  border-color: var(--error-500);
  color: var(--error-600);
}

.setting-action.danger:hover {
  background: var(--error-500);
  color: white;
}

.setting-select {
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-md);
  background: var(--surface);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.status-text {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Empty State */
.c-empty-state {
  text-align: center;
  padding: var(--spacing-12);
  color: var(--text-tertiary);
}

.empty-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
  opacity: 0.5;
}

.c-empty-state h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
  color: var(--text-secondary);
}

.c-empty-state p {
  font-size: var(--font-size-base);
  margin: 0;
}

/* Enhanced Notification Styles */
.c-notification-item {
  background: var(--surface);
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-3);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}

.c-notification-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-300);
  transform: translateY(-1px);
}

.c-notification-item.unread {
  border-left: 4px solid var(--primary-500);
  background: linear-gradient(
    135deg,
    var(--primary-50) 0%,
    var(--surface) 100%
  );
}

[data-theme="dark"] .c-notification-item.unread {
  background: linear-gradient(
    135deg,
    rgba(33, 150, 243, 0.05) 0%,
    var(--surface) 100%
  );
}

.notification-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
  color: white;
  flex-shrink: 0;
}

.notification-icon.welcome {
  background: linear-gradient(
    135deg,
    var(--primary-500) 0%,
    var(--primary-700) 100%
  );
}

.notification-icon.trade {
  background: linear-gradient(
    135deg,
    var(--success-500) 0%,
    var(--success-700) 100%
  );
}

.notification-icon.payment {
  background: linear-gradient(
    135deg,
    var(--warning-500) 0%,
    var(--warning-700) 100%
  );
}

.notification-icon.withdrawal {
  background: linear-gradient(
    135deg,
    var(--error-500) 0%,
    var(--error-700) 100%
  );
}

.notification-icon.system {
  background: linear-gradient(
    135deg,
    var(--neutral-500) 0%,
    var(--neutral-700) 100%
  );
}

.notification-icon.default {
  background: linear-gradient(
    135deg,
    var(--neutral-500) 0%,
    var(--neutral-700) 100%
  );
}

.notification-content {
  flex: 1;
}

.notification-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-2);
}

.notification-title {
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  font-size: var(--font-size-base);
}

.notification-time {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  flex-shrink: 0;
  margin-left: var(--spacing-2);
}

.notification-body {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
  font-size: var(--font-size-sm);
}

.unread-indicator {
  position: absolute;
  top: var(--spacing-3);
  right: var(--spacing-3);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-500);
}

/* Transaction Row Enhancements */
.u-transaction-row {
  transition: all var(--transition-fast);
}

.u-transaction-row:hover {
  background-color: var(--bg-hover);
  transform: translateX(2px);
}

.c-transaction-date {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.c-transaction-date .date {
  font-weight: 600;
  color: var(--text-primary);
}

.c-transaction-date .time {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.c-transaction-type {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.type-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: white;
}

.type-icon.deposit {
  background: var(--success-500);
}

.type-icon.withdraw {
  background: var(--error-500);
}

.type-icon.trade {
  background: var(--primary-500);
}

.type-icon.fee {
  background: var(--warning-500);
}

.type-icon.interest {
  background: var(--success-600);
}

.type-icon.bonus {
  background: var(--secondary-500);
}

.type-text {
  font-weight: 600;
  color: var(--text-primary);
  text-transform: capitalize;
}

.c-transaction-amount {
  font-weight: 800;
  font-feature-settings: "tnum";
  font-size: var(--font-size-base);
}

.c-transaction-amount.positive {
  color: var(--success-600);
}

.c-transaction-amount.negative {
  color: var(--error-600);
}

.c-transaction-currency {
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.c-transaction-note {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .auth-container {
    grid-template-columns: 1fr;
    max-width: 400px;
    min-height: auto;
  }

  .auth-visual {
    order: -1;
    padding: var(--spacing-8);
    min-height: 200px;
  }

  .auth-card {
    padding: var(--spacing-8);
  }

  .visual-content h2 {
    font-size: var(--font-size-2xl);
  }

  .visual-content p {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-6);
  }

  .visual-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
  }

  .stat-number {
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 480px) {
  .auth-body {
    padding: var(--spacing-2);
  }

  .auth-card,
  .auth-visual {
    padding: var(--spacing-6);
  }

  .auth-header h1 {
    font-size: var(--font-size-2xl);
  }

  .visual-content h2 {
    font-size: var(--font-size-xl);
  }

  .form-options {
    flex-direction: column;
    gap: var(--spacing-3);
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .settings-section {
    padding: var(--spacing-4);
  }

  .setting-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  .setting-action {
    align-self: flex-end;
  }

  .c-notification-item {
    flex-direction: column;
    text-align: center;
  }

  .notification-header {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-1);
  }
}