/* ========================================
   Atomic Jolt Brand Design System
   Based on Official Style Guide
   ======================================== */

/* ========================================
   1. CSS Variables & Brand Tokens
   ======================================== */
:root {
  /* Brand Colors */
  --color-yellow: #ffdd00;
  --color-yellow-dark: #ebcb00;
  --color-yellow-light: #ffeb66;
  --color-off-white: #fafafa;

  /* Neutral Palette */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-neutral-lightest: #eeeeee;
  --color-neutral-light: #d0d0d0;
  --color-neutral: #666666;
  --color-neutral-dark: #333333;
  --color-neutral-darkest: #111111;

  /* System Colors */
  --color-success: #027a48;
  --color-success-light: #ecfdf3;
  --color-error: #b42318;
  --color-error-light: #fef3f2;

  /* Typography - Inter */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Desktop Font Sizes */
  --h1-desktop: 3.5rem; /* 56px */
  --h2-desktop: 3rem; /* 48px */
  --h3-desktop: 2.5rem; /* 40px */
  --h4-desktop: 2rem; /* 32px */
  --h5-desktop: 1.5rem; /* 24px */
  --h6-desktop: 1.25rem; /* 20px */

  /* Mobile Font Sizes */
  --h1-mobile: 2.5rem; /* 40px */
  --h2-mobile: 2.25rem; /* 36px */
  --h3-mobile: 2rem; /* 32px */
  --h4-mobile: 1.5rem; /* 24px */
  --h5-mobile: 1.25rem; /* 20px */
  --h6-mobile: 1.125rem; /* 18px */

  /* Body Text Sizes */
  --body-large: 1.5rem; /* 24px */
  --body-regular: 1rem; /* 16px */
  --body-small: 1rem; /* 16px */
  --body-tiny: 0.875rem; /* 14px */

  /* Line Heights */
  --lh-heading-1: 120%;
  --lh-heading-2: 120%;
  --lh-heading-3: 120%;
  --lh-heading-4: 130%;
  --lh-heading-5: 140%;
  --lh-heading-6: 140%;
  --lh-body: 150%;

  /* Spacing Scale (8px base) */
  --space-xxs: 0.25rem; /* 4px */
  --space-xs: 0.5rem; /* 8px */
  --space-sm: 0.75rem; /* 12px */
  --space-md: 1rem; /* 16px */
  --space-lg: 1.5rem; /* 24px */
  --space-xl: 2rem; /* 32px */
  --space-xxl: 3rem; /* 48px */
  --space-xxxl: 4rem; /* 64px */

  /* Shadow System */
  --shadow-xxsmall: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-xsmall: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-small: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-medium: 0 6px 12px rgba(0, 0, 0, 0.08);
  --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.09);
  --shadow-xlarge: 0 12px 24px rgba(0, 0, 0, 0.1);
  --shadow-xxlarge: 0 16px 32px rgba(0, 0, 0, 0.11);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

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

/* ========================================
   2. Reset & Base Styles
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--body-regular);
  line-height: var(--lh-body);
  color: var(--color-neutral-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   3. Typography
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family);
  font-weight: 500;
  color: var(--color-neutral-darkest);
  margin: 0;
}

h1 {
  font-size: var(--h1-desktop);
  line-height: var(--lh-heading-1);
}

h2 {
  font-size: var(--h2-desktop);
  line-height: var(--lh-heading-2);
}

h3 {
  font-size: var(--h3-desktop);
  line-height: var(--lh-heading-3);
}

h4 {
  font-size: var(--h4-desktop);
  line-height: var(--lh-heading-4);
}

h5 {
  font-size: var(--h5-desktop);
  line-height: var(--lh-heading-5);
}

h6 {
  font-size: var(--h6-desktop);
  line-height: var(--lh-heading-6);
}

p {
  margin: 0 0 var(--space-md) 0;
}

.text-large {
  font-size: var(--body-large);
}

.text-small {
  font-size: var(--body-small);
}

.text-tiny {
  font-size: var(--body-tiny);
}

.tagline {
  font-size: 1.125rem;
  line-height: var(--lh-body);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ========================================
   4. Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-family);
  font-size: var(--body-regular);
  font-weight: 500;
  line-height: 1.5;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

/* Primary Button - Yellow */
.btn-primary {
  background-color: var(--color-yellow);
  color: var(--color-black);
  border-color: var(--color-yellow);
}

.btn-primary:hover {
  background-color: var(--color-yellow-dark);
  border-color: var(--color-yellow-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-small);
}

/* Secondary Button - Outlined */
.btn-secondary {
  background-color: transparent;
  color: var(--color-neutral-dark);
  border-color: var(--color-neutral-light);
}

.btn-secondary:hover {
  background-color: var(--color-neutral-lightest);
  border-color: var(--color-neutral);
  color: var(--color-neutral-darkest);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-neutral-dark);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-neutral-lightest);
  color: var(--color-neutral-darkest);
}

/* Danger Button */
.btn-danger {
  background-color: var(--color-error);
  color: var(--color-white);
  border-color: var(--color-error);
}

.btn-danger:hover {
  background-color: #9a1f15;
  border-color: #9a1f15;
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

/* Success Button */
.btn-success {
  background-color: var(--color-success);
  color: var(--color-white);
  border-color: var(--color-success);
}

.btn-success:hover {
  background-color: #025a36;
  border-color: #025a36;
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

/* Button Sizes */
.btn-small {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--body-small);
}

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.125rem;
}

/* Button with Icon */
.btn-icon {
  display: inline-flex;
  gap: var(--space-xs);
}

.btn-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Outline Small Button */
.btn-outline-small {
  background: transparent;
  color: var(--color-neutral-dark);
  border: 1px solid var(--color-neutral-light);
  padding: var(--space-xs) var(--space-md);
  font-size: var(--body-small);
}

.btn-outline-small:hover {
  background: var(--color-neutral-lightest);
  border-color: var(--color-neutral);
}

/* ========================================
   5. Forms & Inputs
   ======================================== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: var(--body-small);
  font-weight: 500;
  color: var(--color-neutral-dark);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--body-regular);
  line-height: 1.5;
  color: var(--color-neutral-darkest);
  background-color: var(--color-white);
  border: 1px solid var(--color-neutral-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-yellow);
  box-shadow: 0 0 0 3px rgba(255, 221, 0, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-neutral);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23666666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: calc(var(--space-md) * 2.5);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: var(--space-xs);
  border: 2px solid var(--color-neutral-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

.form-check-label {
  cursor: pointer;
  user-select: none;
}

/* Form Validation States */
.form-input.is-invalid,
.form-textarea.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-error);
}

.form-input.is-invalid:focus,
.form-textarea.is-invalid:focus,
.form-select.is-invalid:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.1);
}

.form-input.is-valid,
.form-textarea.is-valid,
.form-select.is-valid {
  border-color: var(--color-success);
}

.form-feedback {
  margin-top: var(--space-xs);
  font-size: var(--body-small);
}

.invalid-feedback {
  color: var(--color-error);
}

.valid-feedback {
  color: var(--color-success);
}

/* ========================================
   6. Cards & Containers
   ======================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-small);
  transition: box-shadow var(--transition-base);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.card-title {
  font-size: var(--h5-desktop);
  font-weight: 600;
  color: var(--color-neutral-darkest);
  margin: 0;
}

.card-subtitle {
  color: var(--color-neutral);
  font-size: var(--body-small);
  margin-top: var(--space-xs);
}

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

.card-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-neutral-lightest);
}

/* ========================================
   7. Navigation
   ======================================== */
.navbar {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-neutral-lightest);
  box-shadow: var(--shadow-xsmall);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-neutral-darkest);
  font-weight: 600;
  font-size: 1.25rem;
  gap: var(--space-sm);
}

.brand-icon {
  width: 32px;
  height: 32px;
}

.brand-text {
  font-weight: 600;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  color: var(--color-neutral-dark);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-neutral-darkest);
  border-bottom-color: var(--color-yellow);
}

.nav-link.active {
  color: var(--color-neutral-darkest);
  border-bottom-color: var(--color-yellow);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.user-name {
  color: var(--color-neutral-dark);
  font-weight: 500;
}

/* ========================================
   8. Tags & Badges
   ======================================== */
.tag,
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xxs) var(--space-sm);
  font-size: var(--body-tiny);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  background-color: var(--color-neutral-lightest);
  color: var(--color-neutral-dark);
}

.tag-primary,
.badge-primary {
  background-color: var(--color-yellow-light);
  color: var(--color-neutral-darkest);
}

.tag-success,
.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.tag-error,
.badge-error {
  background-color: var(--color-error-light);
  color: var(--color-error);
}

/* ========================================
   9. Alerts & Messages
   ======================================== */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.alert-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
  border-left: 4px solid var(--color-success);
}

.alert-error {
  background-color: var(--color-error-light);
  color: var(--color-error);
  border-left: 4px solid var(--color-error);
}

.alert-warning {
  background-color: var(--color-yellow-light);
  color: var(--color-neutral-darkest);
  border-left: 4px solid var(--color-yellow);
}

.alert-info {
  background-color: var(--color-neutral-lightest);
  color: var(--color-neutral-dark);
  border-left: 4px solid var(--color-neutral);
}

/* ========================================
   10. Tables
   ======================================== */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-white);
}

.table th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-neutral-dark);
  background-color: var(--color-neutral-lightest);
  border-bottom: 2px solid var(--color-neutral-light);
  font-size: var(--body-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-neutral-lightest);
  color: var(--color-neutral-darkest);
}

.table tbody tr:hover {
  background-color: var(--color-off-white);
}

/* ========================================
   11. Utilities
   ======================================== */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mt-0 {
  margin-top: 0;
}
.mt-1 {
  margin-top: var(--space-xs);
}
.mt-2 {
  margin-top: var(--space-sm);
}
.mt-3 {
  margin-top: var(--space-md);
}
.mt-4 {
  margin-top: var(--space-lg);
}
.mt-5 {
  margin-top: var(--space-xl);
}

.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: var(--space-xs);
}
.mb-2 {
  margin-bottom: var(--space-sm);
}
.mb-3 {
  margin-bottom: var(--space-md);
}
.mb-4 {
  margin-bottom: var(--space-lg);
}
.mb-5 {
  margin-bottom: var(--space-xl);
}

.p-0 {
  padding: 0;
}
.p-1 {
  padding: var(--space-xs);
}
.p-2 {
  padding: var(--space-sm);
}
.p-3 {
  padding: var(--space-md);
}
.p-4 {
  padding: var(--space-lg);
}
.p-5 {
  padding: var(--space-xl);
}

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

.flex-row {
  flex-direction: row;
}
.flex-column {
  flex-direction: column;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.align-center {
  align-items: center;
}
.align-start {
  align-items: flex-start;
}
.align-end {
  align-items: flex-end;
}

.gap-1 {
  gap: var(--space-xs);
}
.gap-2 {
  gap: var(--space-sm);
}
.gap-3 {
  gap: var(--space-md);
}
.gap-4 {
  gap: var(--space-lg);
}
.gap-5 {
  gap: var(--space-xl);
}

/* ========================================
   12. Responsive Design
   ======================================== */
@media (max-width: 768px) {
  /* Mobile Typography */
  h1 {
    font-size: var(--h1-mobile);
  }
  h2 {
    font-size: var(--h2-mobile);
  }
  h3 {
    font-size: var(--h3-mobile);
  }
  h4 {
    font-size: var(--h4-mobile);
  }
  h5 {
    font-size: var(--h5-mobile);
  }
  h6 {
    font-size: var(--h6-mobile);
  }

  /* Mobile Navigation */
  .navbar-container {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .navbar-menu {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  /* Mobile Container */
  .container {
    padding: 0 var(--space-md);
  }

  /* Mobile Cards */
  .card {
    padding: var(--space-md);
  }
}

/* ========================================
   13. Animations
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

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

.animate-slideIn {
  animation: slideIn var(--transition-base) ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* ========================================
   14. Loading States
   ======================================== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-neutral-lightest) 25%,
    var(--color-neutral-light) 50%,
    var(--color-neutral-lightest) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

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

.spinner {
  border: 3px solid var(--color-neutral-lightest);
  border-top-color: var(--color-yellow);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  animation: spin 1s linear infinite;
}

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

/* ========================================
   15. Connection Status
   ======================================== */
.connection-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--body-small);
}

.connection-status--success {
  background-color: #dcfce7;
  color: #166534;
}

.connection-status--error {
  background-color: #fee2e2;
  color: #991b1b;
}