/* 
 * Main Stylesheet for Profile Subscription Page
 * Following 8px spacing system and clean design principles
 */

:root {
  /* Color system */
  --color-primary: #007bff;
  --color-primary-light: #e6f2ff;
  --color-primary-dark: #0056b3;
  --color-secondary: #f8f9fa;
  --color-text: #212529;
  --color-text-light: #6c757d;
  --color-background: #ffffff;
  --color-border: #dee2e6;
  --color-input-bg: #f0f7ff;
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-error: #dc3545;
  
  /* Spacing system (8px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-circle: 50%;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.5;
  font-size: var(--font-size-md);
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-3);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header styling */
.profile-header {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.back-link {
  position: absolute;
  left: 0;
  top: var(--space-4);
  color: var(--color-text);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-circle);
}

.back-link:hover, .back-link:focus {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.profile-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.profile-image-container {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-circle);
  overflow: hidden;
  border: 3px solid var(--color-primary);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.profile-image-container:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-name {
  font-size: var(--font-size-xl);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.emoji {
  font-size: var(--font-size-xl);
}

/* Main content styling */
.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: var(--space-4);
  gap: var(--space-4);
}

.input-container {
  width: 100%;
}

.request-input {
  width: 100%;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: none;
  background-color: var(--color-input-bg);
  color: var(--color-text);
  font-size: var(--font-size-md);
  transition: box-shadow var(--transition-fast);
}

.request-input:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-primary);
}

.request-input::placeholder {
  color: var(--color-text-light);
}

.button-container {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-3);
}

.subscribe-button {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: #7651e9;
  color: white;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  text-align: center;
}

.subscribe-button:hover, .subscribe-button:focus {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.subscribe-button:active {
  transform: translateY(0);
}

/* Responsive design */
@media (max-width: 480px) {
  .profile-header {
    padding-top: var(--space-4);
  }
  
  .profile-image-container {
    width: 72px;
    height: 72px;
  }
  
  .profile-name {
    font-size: var(--font-size-lg);
  }
  
  .emoji {
    font-size: var(--font-size-lg);
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
    padding: var(--space-4);
  }
  
  .profile-header {
    padding-top: var(--space-6);
  }
  
  .profile-image-container {
    width: 100px;
    height: 100px;
  }
}