/* ===== LURNR MVP - SHARED STYLES ===== */

/* CSS Custom Properties (Variables) */
:root {
  --orange: #F59E0B;
  --beige: #FDF6EC;
  --charcoal: #1F2937;
  --gray-light: #F3F4F6;
  --gray-medium: #9CA3AF;
  --gray-dark: #4B5563;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--beige);
  color: var(--charcoal);
  line-height: 1.6;
  letter-spacing: -0.2px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.3;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
  color: var(--gray-dark);
}

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

a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: #f08700;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.btn-secondary {
  background-color: var(--white);
  color: var(--charcoal);
  border: 2px solid var(--orange);
}

.btn-secondary:hover {
  background-color: var(--beige);
}

.btn-outline {
  background-color: transparent;
  color: var(--charcoal);
  border: 2px solid var(--charcoal);
}

.btn-outline:hover {
  background-color: var(--gray-light);
}

.btn-ghost {
  background-color: transparent;
  color: var(--charcoal);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  background-color: var(--gray-light);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

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

/* Cards */
.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.card-compact {
  padding: 1rem;
}

.card-large {
  padding: 2rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background-color: var(--orange);
  color: var(--white);
}

.badge-success {
  background-color: #10B981;
  color: var(--white);
}

.badge-warning {
  background-color: #FBBF24;
  color: var(--charcoal);
}

.badge-info {
  background-color: #3B82F6;
  color: var(--white);
}

.badge-gray {
  background-color: var(--gray-light);
  color: var(--gray-dark);
}

/* Forms */
input,
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

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

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--charcoal);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group-row.three {
  grid-template-columns: repeat(3, 1fr);
}

/* Grid & Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* Spacing */
.m-0 { margin: 0; }
.m-1 { margin: 0.5rem; }
.m-2 { margin: 1rem; }
.m-3 { margin: 1.5rem; }
.m-4 { margin: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.px-2 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }

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

.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.5rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-orange { color: var(--orange); }
.text-charcoal { color: var(--charcoal); }
.text-gray { color: var(--gray-dark); }
.text-white { color: var(--white); }
.text-muted { color: var(--gray-medium); }

.capitalize { text-transform: capitalize; }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

/* Sections */
section {
  padding: 3rem 0;
}

section.hero {
  background: linear-gradient(135deg, var(--beige) 0%, var(--white) 100%);
  padding: 4rem 0;
  text-align: center;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #E5E7EB;
}

th {
  background-color: var(--gray-light);
  font-weight: 600;
  color: var(--charcoal);
}

tr:hover {
  background-color: var(--beige);
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

@keyframes dots {
  0%, 20% {
    content: '.';
    width: 4px;
  }
  40% {
    content: '..';
    width: 8px;
  }
  100% {
    content: '...';
    width: 12px;
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

.shake {
  animation: shake 0.4s ease-in-out;
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

.spin {
  animation: spin 1s linear infinite;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  section {
    padding: 2rem 0;
  }

  section.hero {
    padding: 2.5rem 0;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-group-row {
    grid-template-columns: 1fr;
  }

  .form-group-row.three {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.75rem 0.5rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1rem; }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
  }

  .card {
    padding: 1rem;
  }

  table {
    font-size: 0.75rem;
  }

  th, td {
    padding: 0.5rem;
  }
}

/* Utility Classes for Common Patterns */
.rounded { border-radius: var(--radius-lg); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }

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

.border { border: 1px solid #E5E7EB; }
.border-top { border-top: 1px solid #E5E7EB; }
.border-orange { border: 2px solid var(--orange); }

.max-w-full { max-width: 100%; }
.w-full { width: 100%; }
.h-full { height: 100%; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.cursor-pointer { cursor: pointer; }
.no-select { user-select: none; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* Logo & Branding */
.lurnr-logo {
  width: 40px;
  height: 40px;
  background-color: var(--orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.5rem;
}

.lurnr-wordmark {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--charcoal);
}

.lurnr-wordmark .orange {
  color: var(--orange);
}