/* ================================
   RESET & GLOBAL STYLES
================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

.container-fluid {
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ================================
   NAVBAR
================================ */
.navbar {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.navbar-brand .logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  opacity: 0.8;
}

/* ================================
   HERO SECTION
================================ */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 100px 20px;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
}

/* ================================
   BUTTONS
================================ */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  margin: 10px 10px 10px 0;
}

.btn-primary {
  background: #667eea;
  color: white;
}

.btn-primary:hover {
  background: #5568d3;
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: #764ba2;
  color: white;
}

.btn-secondary:hover {
  background: #6a3d8f;
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover {
  background: #c82333;
}

.btn-small {
  padding: 8px 15px;
  font-size: 0.9rem;
}

/* ================================
   FORMS & INPUTS
================================ */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ================================
   ALERTS
================================ */
.alert {
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 5px;
}

.alert-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-danger {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* ================================
   AUTH (REGISTER/LOGIN)
================================ */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 600px;
  padding: 40px 20px;
}

.auth-box {
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}

.auth-box h2 {
  text-align: center;
  margin-bottom: 30px;
  color: #667eea;
}

.auth-link {
  text-align: center;
  margin-top: 20px;
}

.auth-link a {
  color: #667eea;
  font-weight: 600;
}

.demo-credentials {
  background: #f0f4ff;
  padding: 15px;
  border-radius: 5px;
  margin-top: 20px;
  font-size: 0.9rem;
}

/* ================================
   SERVICES PAGE
================================ */
.services-page {
  padding: 60px 20px;
}

.services-page h1 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2.5rem;
}

.category-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  border: 2px solid #667eea;
  background: white;
  color: #667eea;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
  background: #667eea;
  color: white;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.service-card {
  background: white;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
  color: #667eea;
  margin-bottom: 10px;
}

.service-card .category {
  color: #999;
  font-size: 0.9rem;
}

.service-card .price {
  font-size: 1.5rem;
  font-weight: bold;
  color: #764ba2;
  margin: 10px 0;
}

.service-card .duration {
  color: #666;
  margin-bottom: 15px;
}

.service-card .btn {
  width: 100%;
  text-align: center;
}

/* ================================
   BOOKING PAGE
================================ */
.booking-container {
  padding: 60px 20px;
}

.booking-container h1 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2.5rem;
}

.booking-form {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.booking-form button {
  width: 100%;
}

/* ================================
   DASHBOARD PAGE
================================ */
.dashboard {
  padding: 60px 20px;
}

.dashboard-header {
  margin-bottom: 40px;
  text-align: center;
}

.dashboard-header h1 {
  font-size: 2rem;
  margin-bottom: 10px;
  color: #667eea;
}

.dashboard-header p {
  color: #555;
}

.bookings-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 30px;
}

.bookings-table th,
.bookings-table td {
  padding: 12px;
  border: 1px solid #ddd;
  text-align: left;
}

.bookings-table th {
  background: #667eea;
  color: white;
}

.bookings-table tr:nth-child(even) {
  background: #f9f9f9;
}

/* ================================
   CONTACT PAGE
================================ */
.contact-page {
  padding: 60px 20px;
}

.contact-page h1 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 2.5rem;
}

.contact-page p {
  text-align: center;
  margin-bottom: 40px;
  color: #555;
}

.contact-page .contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.contact-page .contact-form button {
  width: 100%;
}

/* ================================
   ADMIN PAGE
================================ */
.admin-page {
  padding: 60px 20px;
}

.admin-page h1 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2.5rem;
  color: #667eea;
}

.admin-stats {
  display: flex;
  gap: 20px;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.admin-card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  flex: 1 1 200px;
}

.admin-card h3 {
  color: #764ba2;
  margin-bottom: 10px;
}

.admin-card p {
  font-size: 1.5rem;
  font-weight: bold;
}

/* ================================
   FOOTER
================================ */
footer {
  background: #333;
  color: white;
  padding: 30px 20px;
  text-align: center;
}

footer p {
  margin: 0;
  font-size: 0.9rem;
}

/* ================================
   MISC UTILITIES
================================ */
.mt-20 {
  margin-top: 20px;
}
.mb-20 {
  margin-bottom: 20px;
}
.full-width {
  width: 100%;
}
.hidden {
  display: none;
}

/* ================================
   404 ERROR PAGE
================================ */
.error-page {
  padding: 100px 20px;
  text-align: center;
}

.error-page h1 {
  font-size: 6rem;
  color: #667eea;
  margin-bottom: 10px;
  line-height: 1;
}

.error-page p {
  color: #666;
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}