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

:root {
  --primary-bg: #0a0a0a;
  --secondary-bg: #121212;
  --tertiary-bg: #1a1a1a;
  --primary-text: #f0f0f0;
  --secondary-text: #b0b0b0;
  --accent-pink: #ff2d95;
  --accent-pink-dark: #cc0066;
  --accent-purple: #9d4edd;
  --accent-blue: #4cc9f0;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --border-color: #333333;
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
  --radius: 12px;
  --transition: all 0.3s ease;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--primary-bg);
  color: var(--primary-text);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* Typography */
h1, h2, h3, h4 {
  color: var(--primary-text);
  font-weight: 600;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 {
  font-size: 2rem;
  color: var(--accent-pink);
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--secondary-text);
}

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

a:hover {
  color: var(--accent-blue);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
  color: white;
}

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

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

.btn-secondary:hover {
  background-color: var(--secondary-bg);
  border-color: var(--accent-pink);
}

.btn-google {
  background-color: white;
  color: #333;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-google:hover {
  background-color: #f0f0f0;
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-block {
  display: block;
  width: 100%;
}

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

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

.form-control {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--tertiary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--primary-text);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-pink);
  box-shadow: 0 0 0 3px rgba(255, 45, 149, 0.1);
}

.form-text {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--secondary-text);
}

/* Cards */
.card {
  background-color: var(--secondary-bg);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.card-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

/* Navigation */
.navbar {
  background-color: var(--secondary-bg);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-pink);
}

.navbar-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  color: var(--secondary-text);
  font-weight: 500;
}

.nav-link:hover {
  color: var(--accent-pink);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-pink);
}

/* Alert Messages */
.alert {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.alert-success {
  background-color: rgba(76, 222, 128, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.alert-danger {
  background-color: rgba(248, 113, 113, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.alert-warning {
  background-color: rgba(251, 191, 36, 0.1);
  border: 1px solid var(--warning);
  color: var(--warning);
}

/* Member Type Badges */
.member-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
}

.member-free {
  background-color: rgba(76, 201, 240, 0.2);
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

.member-premium {
  background-color: rgba(251, 191, 36, 0.2);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.member-pro {
  background-color: rgba(255, 45, 149, 0.2);
  color: var(--accent-pink);
  border: 1px solid var(--accent-pink);
}

/* Profile Page */
.profile-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  margin-top: 2rem;
}

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

.profile-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent-pink);
  margin-bottom: 1rem;
}

.profile-info {
  margin-top: 1.5rem;
}

.info-item {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.info-label {
  font-size: 0.875rem;
  color: var(--secondary-text);
  margin-bottom: 0.25rem;
}

.info-value {
  font-weight: 600;
}

/* Files Page */
.files-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.file-card {
  background-color: var(--tertiary-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.file-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-pink);
}

.file-header {
  padding: 1.5rem;
  background-color: rgba(255, 45, 149, 0.05);
  border-bottom: 1px solid var(--border-color);
}

.file-icon {
  font-size: 2.5rem;
  color: var(--accent-pink);
  margin-bottom: 1rem;
}

.file-body {
  padding: 1.5rem;
}

.file-actions {
  padding: 1rem 1.5rem;
  background-color: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-color);
}

/* Upgrade Page */
.pricing-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.pricing-card {
  background-color: var(--secondary-bg);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-pink);
}

.pricing-card.featured {
  border-color: var(--accent-pink);
  box-shadow: 0 10px 30px rgba(255, 45, 149, 0.2);
}

.pricing-card.featured::before {
  content: 'POPULAR';
  position: absolute;
  top: 20px;
  right: -30px;
  background-color: var(--accent-pink);
  color: white;
  padding: 5px 40px;
  font-size: 0.75rem;
  font-weight: 600;
  transform: rotate(45deg);
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-pink);
  margin: 1rem 0;
}

.pricing-price span {
  font-size: 1rem;
  color: var(--secondary-text);
}

.pricing-features {
  margin: 2rem 0;
}

.pricing-feature {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.pricing-feature i {
  color: var(--accent-pink);
  margin-right: 10px;
}

/* Dashboard */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--secondary-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  border-left: 4px solid var(--accent-pink);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-pink);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--secondary-text);
  font-size: 0.9rem;
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--secondary-text);
}

/* Responsive */
@media (max-width: 768px) {
  .profile-container {
    grid-template-columns: 1fr;
  }
  
  .navbar-nav {
    flex-direction: column;
    gap: 1rem;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--secondary-bg);
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: none;
  }
  
  .navbar-nav.active {
    display: flex;
  }
  
  .navbar-menu-toggle {
    display: block;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.hidden { display: none; }