/**
 * ManoBuddy Design System
 * Combination: Grounded Warmth • Thoughtful Elegance • Soft Gradient Layers
 * 
 * Built by therapists, for therapists.
 * Caring, ethical, cutting-edge.
 */

/* ================================
   FONTS
   ================================ */

@import url('https://fonts.googleapis.com/css2?family=Literata:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ================================
   CSS VARIABLES
   ================================ */

:root {
  /* === COLORS === */
  
  /* Primary - Forest Green */
  --color-primary: #6B8F71;
  --color-primary-light: #7FA084;
  --color-primary-dark: #5A7A5F;
  --color-primary-50: #F0F4F1;
  --color-primary-100: #E1E9E3;
  --color-primary-200: #C3D3C7;
  --color-primary-300: #A5BDAB;
  --color-primary-400: #8BA888;
  --color-primary-500: #6B8F71;
  --color-primary-600: #5A7A5F;
  --color-primary-700: #49654D;
  --color-primary-800: #3D5340;
  --color-primary-900: #2C3E2C;
  
  /* Secondary - Warm Terracotta */
  --color-secondary: #D4845C;
  --color-secondary-light: #E8926F;
  --color-secondary-dark: #B86F4A;
  --color-secondary-50: #FBF3EF;
  --color-secondary-100: #F7E7DF;
  --color-secondary-200: #EFCFBF;
  --color-secondary-300: #E8926F;
  --color-secondary-400: #DD8B65;
  --color-secondary-500: #D4845C;
  --color-secondary-600: #B86F4A;
  --color-secondary-700: #9C5A38;
  --color-secondary-800: #8F5438;
  --color-secondary-900: #6B3F2A;
  
  /* Accent - Honey Gold */
  --color-accent: #E8B563;
  --color-bg: #F5F1E8;
  --color-text: #2C3E2C;
  --color-accent-50: #FDF8EF;
  --color-accent-100: #FBF1DF;
  --color-accent-200: #F7E3BF;
  --color-accent-300: #F3D59F;
  --color-accent-400: #EFC781;
  --color-accent-500: #E8B563;
  --color-accent-600: #D19B3F;
  --color-accent-700: #B3822F;
  --color-accent-800: #8F6825;
  --color-accent-900: #6B4E1C;
  
  /* Neutrals */
  --color-bg-primary: #F5F1E8;
  --color-bg-secondary: #FAFAF7;
  --color-bg-tertiary: #FFFFFF;
  
  --color-text-primary: #2C3E2C;
  --color-text-secondary: #49654D;
  --color-text-tertiary: #5A7A5F;
  --color-text-disabled: #A5BDAB;
  
  /* Semantic Colors */
  --color-success: #6B8F71;
  --color-warning: #E8B563;
  --color-error: #D46854;
  --color-info: #7FA084;
  
  /* === TYPOGRAPHY === */
  
  --font-heading: 'Literata', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.75rem;     /* 28px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */
  
  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.2;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.8;
  --leading-loose: 1.8;
  
  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  
  /* === SPACING === */
  
  --space-0: 0;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-1: 0.25rem;      /* 4px */
  --space-2: 0.5rem;       /* 8px */
  --space-3: 0.75rem;      /* 12px */
  --space-4: 1rem;         /* 16px */
  --space-5: 1.25rem;      /* 20px */
  --space-6: 1.5rem;       /* 24px */
  --space-8: 2rem;         /* 32px */
  --space-10: 2.5rem;      /* 40px */
  --space-12: 3rem;        /* 48px */
  --space-16: 4rem;        /* 64px */
  --space-20: 5rem;        /* 80px */
  --space-24: 6rem;        /* 96px */
  
  /* === BORDER RADIUS === */
  
  --radius-none: 0;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  
  /* === SHADOWS === */
  
  --shadow-xs: 0 1px 2px rgba(44, 62, 44, 0.05);
  --shadow-sm: 0 2px 8px rgba(44, 62, 44, 0.08);
  --shadow-md: 0 4px 12px rgba(107, 143, 113, 0.2);
  --shadow-lg: 0 8px 24px rgba(44, 62, 44, 0.15);
  --shadow-xl: 0 12px 32px rgba(44, 62, 44, 0.2);
  --shadow-glow: 0 4px 16px rgba(107, 143, 113, 0.3);
  --shadow-glow-lg: 0 8px 24px rgba(107, 143, 113, 0.4);
  
  /* === GRADIENTS === */
  
  --gradient-primary: linear-gradient(135deg, #6B8F71 0%, #7FA084 100%);
  --gradient-primary-hover: linear-gradient(135deg, #5A7A5F 0%, #6B8F71 100%);
  --gradient-secondary: linear-gradient(135deg, #D4845C 0%, #E8926F 100%);
  --gradient-secondary-hover: linear-gradient(135deg, #B86F4A 0%, #D4845C 100%);
  --gradient-accent: linear-gradient(135deg, #E8B563 0%, #F3D59F 100%);
  --gradient-bg: linear-gradient(135deg, rgba(107, 143, 113, 0.08) 0%, rgba(212, 132, 92, 0.05) 100%);
  --gradient-bg-alt: linear-gradient(180deg, rgba(245, 241, 232, 0) 0%, rgba(245, 241, 232, 1) 100%);
  
  /* === BLUR === */
  
  --blur-sm: blur(4px);
  --blur-md: blur(10px);
  --blur-lg: blur(20px);
  --blur-xl: blur(30px);
  
  /* === TRANSITIONS === */
  
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* === Z-INDEX === */
  
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ================================
   BASE STYLES
   ================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
}

/* ================================
   TYPOGRAPHY
   ================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
}

h2 {
  font-size: var(--text-4xl);
  font-weight: var(--font-semibold);
}

h3 {
  font-size: var(--text-3xl);
  font-weight: var(--font-semibold);
}

h4 {
  font-size: var(--text-2xl);
  font-weight: var(--font-medium);
}

h5 {
  font-size: var(--text-xl);
  font-weight: var(--font-medium);
}

h6 {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
}

p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

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

a:hover {
  color: var(--color-primary-700);
}

strong, b {
  font-weight: var(--font-semibold);
}

em, i {
  font-style: italic;
}

/* ================================
   BUTTONS
   ================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: var(--font-semibold);
  padding: 14px 32px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #6B8F71 0%, #7FA084 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(107, 143, 113, 0.3);
}

.btn-primary:hover {
  background: var(--gradient-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(107, 143, 113, 0.4);
}

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

.btn-secondary {
  background: transparent;
  color: #6B8F71;
  border: 2px solid rgba(107, 143, 113, 0.5);
}

.btn-secondary:hover {
  background: rgba(107, 143, 113, 0.1);
  border-color: #6B8F71;
}

.btn-accent {
  background: var(--gradient-secondary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  background: var(--gradient-secondary-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  box-shadow: none;
}

.btn-ghost:hover {
  background: rgba(107, 143, 113, 0.1);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-12);
  font-size: var(--text-lg);
}

/* ================================
   CARDS
   ================================ */

.card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
  backdrop-filter: blur(20px);
  border: 1px solid rgba(107, 143, 113, 0.15);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(44, 62, 44, 0.08);
  transition: all 0.3s ease;
}

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

.card-flat {
  background: white;
  backdrop-filter: none;
  border: 1px solid rgba(107, 143, 113, 0.1);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}

.card-gradient {
  background: var(--gradient-bg);
  border: 1px solid rgba(107, 143, 113, 0.2);
}

/* ================================
   INPUTS
   ================================ */

.input {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 14px 16px;
  border: 2px solid rgba(107, 143, 113, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--color-text-primary);
  transition: all 0.3s ease;
  width: 100%;
}

.input:focus {
  outline: none;
  border-color: #6B8F71;
  box-shadow: 0 0 0 3px rgba(107, 143, 113, 0.15);
  background: white;
}

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

.input:disabled {
  background: var(--color-bg-primary);
  cursor: not-allowed;
  opacity: 0.6;
}

.label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  display: block;
}

.textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}

/* ================================
   BADGES & PILLS
   ================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1;
}

.badge-primary {
  background: rgba(107, 143, 113, 0.15);
  color: var(--color-primary-800);
}

.badge-secondary {
  background: rgba(212, 132, 92, 0.15);
  color: var(--color-secondary-800);
}

.badge-success {
  background: rgba(107, 143, 113, 0.15);
  color: var(--color-primary-800);
}

.badge-warning {
  background: rgba(232, 181, 99, 0.15);
  color: var(--color-accent-800);
}

.badge-error {
  background: rgba(212, 104, 84, 0.15);
  color: #8F3A2A;
}

/* ================================
   UTILITIES
   ================================ */

/* Spacing */
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

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

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }

/* Backgrounds */
.bg-primary { background: var(--color-primary); }
.bg-gradient { background: var(--gradient-bg); }
.bg-white { background: white; }

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-2xl); }
}