/* ============================================
   STOCKER PLACE DESIGN SYSTEM
   Version: 1.0.0
   
   This file contains all design tokens and 
   reusable component styles for consistency
   across the entire application.
   ============================================ */

/* ============================================
   1. DESIGN TOKENS
   ============================================ */

:root {
  /* ----------------------------------------
     1.1 COLOR PALETTE
     ---------------------------------------- */
  
  /* Background colors */
  --color-bg-base: #09090b;
  --color-bg-surface: #0f0f12;
  --color-bg-elevated: #141418;
  --color-bg-highlight: #1a1a1f;
  --color-bg-hover: #222228;
  
  /* Text colors */
  --color-text-primary: #f3eae0;
  --color-text-secondary: #b8b8c0;
  --color-text-muted: #6e6e78;
  --color-text-disabled: #4a4a52;
  --color-text-inverse: #09090b;
  
  /* Brand colors */
  --color-brand-primary: #347BBF;
  --color-brand-primary-hover: #3d8ad4;
  --color-brand-primary-active: #2d6ba8;
  --color-brand-secondary: #58A0FF;
  --color-brand-accent: #e6b44c;
  
  /* Border colors */
  --color-border-default: #1c1c22;
  --color-border-strong: #28282f;
  --color-border-hover: #3a3a44;
  --color-border-focus: var(--color-brand-primary);
  
  /* Status colors */
  --color-success: #22c55e;
  --color-success-bg: rgba(34, 197, 94, 0.1);
  --color-success-border: rgba(34, 197, 94, 0.3);
  
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-warning-border: rgba(245, 158, 11, 0.3);
  
  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.1);
  --color-danger-border: rgba(239, 68, 68, 0.3);
  
  --color-info: #58A0FF;
  --color-info-bg: rgba(88, 160, 255, 0.1);
  --color-info-border: rgba(88, 160, 255, 0.3);

  /* ----------------------------------------
     1.2 TYPOGRAPHY
     ---------------------------------------- */
  
  /* Font families */
  --font-sans: "Inter", -apple-system, system-ui, "Segoe UI", sans-serif;
  --font-display: "Plus Jakarta Sans", var(--font-sans);
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  
  /* Font sizes */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-md: 15px;
  --text-lg: 16px;
  --text-xl: 18px;
  --text-2xl: 20px;
  --text-3xl: 24px;
  --text-4xl: 32px;
  --text-5xl: 40px;
  
  /* Line heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* Font weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Letter spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.02em;
  --tracking-wider: 0.04em;

  /* ----------------------------------------
     1.3 SPACING
     ---------------------------------------- */
  
  --space-0: 0;
  --space-px: 1px;
  --space-0-5: 2px;
  --space-1: 4px;
  --space-1-5: 6px;
  --space-2: 8px;
  --space-2-5: 10px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* ----------------------------------------
     1.4 BORDER RADIUS
     ---------------------------------------- */
  
  --radius-none: 0;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-3xl: 24px;
  --radius-full: 9999px;

  /* ----------------------------------------
     1.5 SHADOWS
     ---------------------------------------- */
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.45);
  --shadow-2xl: 0 24px 48px rgba(0, 0, 0, 0.5);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(52, 123, 191, 0.3);

  /* ----------------------------------------
     1.6 MOTION / ANIMATION
     ---------------------------------------- */
  
  --duration-instant: 50ms;
  --duration-fast: 100ms;
  --duration-normal: 150ms;
  --duration-moderate: 200ms;
  --duration-slow: 300ms;
  --duration-slower: 400ms;
  
  --ease-default: cubic-bezier(0.2, 0, 0, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ----------------------------------------
     1.7 Z-INDEX LAYERS
     ---------------------------------------- */
  
  --z-base: 0;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-modal-backdrop: 40;
  --z-modal: 50;
  --z-popover: 60;
  --z-tooltip: 70;
  --z-toast: 80;

  /* ----------------------------------------
     1.8 BREAKPOINTS (for reference)
     ---------------------------------------- */
  
  /* 
   * --bp-xs: 0px      (mobile)
   * --bp-sm: 480px    (mobile landscape)
   * --bp-md: 640px    (tablet portrait)
   * --bp-lg: 900px    (tablet landscape)
   * --bp-xl: 1200px   (desktop)
   * --bp-2xl: 1440px  (large desktop)
   */
}

/* ============================================
   2. COMPONENT TOKENS
   ============================================ */

:root {
  /* ----------------------------------------
     2.1 BUTTONS
     ---------------------------------------- */
  
  /* Base button */
  --btn-height-sm: 32px;
  --btn-height-md: 40px;
  --btn-height-lg: 48px;
  
  --btn-padding-x-sm: var(--space-3);
  --btn-padding-x-md: var(--space-4);
  --btn-padding-x-lg: var(--space-6);
  
  --btn-font-size-sm: var(--text-sm);
  --btn-font-size-md: var(--text-base);
  --btn-font-size-lg: var(--text-md);
  
  --btn-radius: var(--radius-lg);
  --btn-font-weight: var(--font-semibold);
  --btn-transition: all var(--duration-fast) var(--ease-default);
  
  /* Primary button */
  --btn-primary-bg: var(--color-brand-primary);
  --btn-primary-bg-hover: var(--color-brand-primary-hover);
  --btn-primary-bg-active: var(--color-brand-primary-active);
  --btn-primary-text: white;
  --btn-primary-shadow: 0 2px 8px rgba(52, 123, 191, 0.25);
  --btn-primary-shadow-hover: 0 4px 16px rgba(52, 123, 191, 0.35);
  
  /* Secondary button */
  --btn-secondary-bg: var(--color-bg-elevated);
  --btn-secondary-bg-hover: var(--color-bg-highlight);
  --btn-secondary-text: var(--color-text-primary);
  --btn-secondary-border: var(--color-border-strong);
  --btn-secondary-border-hover: var(--color-border-hover);
  
  /* Ghost button */
  --btn-ghost-bg: transparent;
  --btn-ghost-bg-hover: var(--color-bg-elevated);
  --btn-ghost-text: var(--color-text-secondary);
  --btn-ghost-text-hover: var(--color-text-primary);
  
  /* Danger button */
  --btn-danger-bg: var(--color-danger);
  --btn-danger-bg-hover: #dc2626;
  --btn-danger-text: white;
  
  /* Owner button (special) */
  --btn-owner-bg: linear-gradient(135deg, #f59e0b, #fbbf24);
  --btn-owner-text: #1a1a1f;
  --btn-owner-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);

  /* ----------------------------------------
     2.2 INPUTS
     ---------------------------------------- */
  
  --input-height-sm: 32px;
  --input-height-md: 40px;
  --input-height-lg: 48px;
  
  --input-padding-x: var(--space-3);
  --input-font-size: var(--text-base);
  --input-radius: var(--radius-lg);
  
  --input-bg: var(--color-bg-elevated);
  --input-bg-focus: var(--color-bg-highlight);
  --input-border: var(--color-border-default);
  --input-border-hover: var(--color-border-strong);
  --input-border-focus: var(--color-brand-primary);
  --input-text: var(--color-text-primary);
  --input-placeholder: var(--color-text-muted);
  
  --input-transition: all var(--duration-fast) var(--ease-default);

  /* ----------------------------------------
     2.3 CARDS
     ---------------------------------------- */
  
  --card-bg: var(--color-bg-surface);
  --card-bg-hover: var(--color-bg-elevated);
  --card-border: var(--color-border-default);
  --card-border-hover: var(--color-border-strong);
  --card-radius: var(--radius-xl);
  --card-padding: var(--space-6);
  --card-shadow: var(--shadow-md);
  
  --card-header-gap: var(--space-4);
  --card-content-gap: var(--space-4);

  /* ----------------------------------------
     2.4 MODALS
     ---------------------------------------- */
  
  --modal-bg: var(--color-bg-surface);
  --modal-border: var(--color-border-default);
  --modal-radius: var(--radius-2xl);
  --modal-padding: var(--space-6);
  --modal-shadow: var(--shadow-2xl);
  --modal-backdrop: rgba(0, 0, 0, 0.7);
  --modal-max-width: 480px;

  /* ----------------------------------------
     2.5 BADGES / TAGS
     ---------------------------------------- */
  
  --badge-height: 24px;
  --badge-padding-x: var(--space-2);
  --badge-font-size: var(--text-xs);
  --badge-font-weight: var(--font-medium);
  --badge-radius: var(--radius-sm);

  /* ----------------------------------------
     2.6 TABLES
     ---------------------------------------- */
  
  --table-header-bg: var(--color-bg-elevated);
  --table-row-bg: transparent;
  --table-row-bg-hover: var(--color-bg-elevated);
  --table-border: var(--color-border-default);
  --table-header-text: var(--color-text-muted);
  --table-cell-padding: var(--space-4);

  /* ----------------------------------------
     2.7 TOOLTIPS
     ---------------------------------------- */
  
  --tooltip-bg: var(--color-bg-highlight);
  --tooltip-text: var(--color-text-primary);
  --tooltip-radius: var(--radius-md);
  --tooltip-padding: var(--space-2) var(--space-3);
  --tooltip-font-size: var(--text-sm);
  --tooltip-shadow: var(--shadow-lg);
}

/* ============================================
   3. UTILITY CLASSES
   ============================================ */

/* ----------------------------------------
   3.1 DISPLAY
   ---------------------------------------- */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* ----------------------------------------
   3.2 FLEXBOX
   ---------------------------------------- */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-1 { flex: 1; }
.flex-auto { flex: auto; }
.flex-none { flex: none; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

/* ----------------------------------------
   3.3 SPACING
   ---------------------------------------- */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.p-0 { padding: 0; }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

/* ----------------------------------------
   3.4 TEXT
   ---------------------------------------- */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

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

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-brand-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ----------------------------------------
   3.5 SIZING
   ---------------------------------------- */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.min-w-0 { min-width: 0; }
.max-w-full { max-width: 100%; }

/* ----------------------------------------
   3.6 VISIBILITY
   ---------------------------------------- */
.visible { visibility: visible; }
.invisible { visibility: hidden; }
.hidden { display: none !important; }

/* ----------------------------------------
   3.7 CURSOR
   ---------------------------------------- */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* ----------------------------------------
   3.8 TRANSITIONS
   ---------------------------------------- */
.transition-all {
  transition: all var(--duration-normal) var(--ease-default);
}
.transition-colors {
  transition: color var(--duration-fast) var(--ease-default),
              background-color var(--duration-fast) var(--ease-default),
              border-color var(--duration-fast) var(--ease-default);
}
.transition-transform {
  transition: transform var(--duration-normal) var(--ease-default);
}
.transition-opacity {
  transition: opacity var(--duration-normal) var(--ease-default);
}

/* ----------------------------------------
   3.9 BORDERS
   ---------------------------------------- */
.border { border: 1px solid var(--color-border-default); }
.border-strong { border: 1px solid var(--color-border-strong); }
.border-none { border: none; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ============================================
   4. COMPONENT STYLES
   ============================================ */

/* ----------------------------------------
   4.1 BUTTON BASE
   ---------------------------------------- */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--btn-height-md);
  padding: 0 var(--btn-padding-x-md);
  font-size: var(--btn-font-size-md);
  font-weight: var(--btn-font-weight);
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: var(--btn-transition);
  white-space: nowrap;
  user-select: none;
}

.ds-btn:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

.ds-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button sizes */
.ds-btn--sm {
  height: var(--btn-height-sm);
  padding: 0 var(--btn-padding-x-sm);
  font-size: var(--btn-font-size-sm);
}

.ds-btn--lg {
  height: var(--btn-height-lg);
  padding: 0 var(--btn-padding-x-lg);
  font-size: var(--btn-font-size-lg);
}

/* Button variants */
.ds-btn--primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: var(--btn-primary-shadow);
}

.ds-btn--primary:hover {
  background: var(--btn-primary-bg-hover);
  box-shadow: var(--btn-primary-shadow-hover);
}

.ds-btn--primary:active {
  background: var(--btn-primary-bg-active);
}

.ds-btn--secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border-color: var(--btn-secondary-border);
}

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

.ds-btn--ghost {
  background: var(--btn-ghost-bg);
  color: var(--btn-ghost-text);
}

.ds-btn--ghost:hover {
  background: var(--btn-ghost-bg-hover);
  color: var(--btn-ghost-text-hover);
}

.ds-btn--danger {
  background: var(--btn-danger-bg);
  color: var(--btn-danger-text);
}

.ds-btn--danger:hover {
  background: var(--btn-danger-bg-hover);
}

/* Icon button */
.ds-btn--icon {
  width: var(--btn-height-md);
  padding: 0;
}

.ds-btn--icon.ds-btn--sm {
  width: var(--btn-height-sm);
}

.ds-btn--icon.ds-btn--lg {
  width: var(--btn-height-lg);
}

/* ----------------------------------------
   4.2 INPUT BASE
   ---------------------------------------- */
.ds-input {
  width: 100%;
  height: var(--input-height-md);
  padding: 0 var(--input-padding-x);
  font-size: var(--input-font-size);
  color: var(--input-text);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--input-radius);
  transition: var(--input-transition);
}

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

.ds-input:hover {
  border-color: var(--input-border-hover);
}

.ds-input:focus {
  outline: none;
  border-color: var(--input-border-focus);
  background: var(--input-bg-focus);
  box-shadow: 0 0 0 3px rgba(52, 123, 191, 0.15);
}

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

/* Input sizes */
.ds-input--sm { height: var(--input-height-sm); }
.ds-input--lg { height: var(--input-height-lg); }

/* ----------------------------------------
   4.3 CARD BASE
   ---------------------------------------- */
.ds-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  transition: border-color var(--duration-fast) var(--ease-default),
              background var(--duration-fast) var(--ease-default);
}

.ds-card--hoverable:hover {
  background: var(--card-bg-hover);
  border-color: var(--card-border-hover);
}

.ds-card--elevated {
  background: var(--color-bg-elevated);
  box-shadow: var(--card-shadow);
}

.ds-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--card-header-gap);
}

.ds-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.ds-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--card-content-gap);
}

/* ----------------------------------------
   4.4 BADGE BASE
   ---------------------------------------- */
.ds-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--badge-height);
  padding: 0 var(--badge-padding-x);
  font-size: var(--badge-font-size);
  font-weight: var(--badge-font-weight);
  border-radius: var(--badge-radius);
  white-space: nowrap;
}

.ds-badge--default {
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
}

.ds-badge--primary {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.ds-badge--success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.ds-badge--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.ds-badge--danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

/* ============================================
   5. RESPONSIVE HELPERS
   ============================================ */

/* Mobile only */
@media (max-width: 639px) {
  .mobile\:hidden { display: none !important; }
  .mobile\:block { display: block !important; }
  .mobile\:flex { display: flex !important; }
  .mobile\:flex-col { flex-direction: column; }
  .mobile\:w-full { width: 100%; }
  .mobile\:text-center { text-align: center; }
}

/* Tablet and up */
@media (min-width: 640px) {
  .tablet\:hidden { display: none !important; }
  .tablet\:block { display: block !important; }
  .tablet\:flex { display: flex !important; }
  .tablet\:flex-row { flex-direction: row; }
}

/* Desktop and up */
@media (min-width: 1024px) {
  .desktop\:hidden { display: none !important; }
  .desktop\:block { display: block !important; }
  .desktop\:flex { display: flex !important; }
}

/* ============================================
   6. ANIMATIONS
   ============================================ */

@keyframes ds-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes ds-slide-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ds-slide-down {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ds-scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

.animate-fade-in { animation: ds-fade-in var(--duration-normal) var(--ease-out); }
.animate-slide-up { animation: ds-slide-up var(--duration-moderate) var(--ease-out); }
.animate-slide-down { animation: ds-slide-down var(--duration-moderate) var(--ease-out); }
.animate-scale-in { animation: ds-scale-in var(--duration-moderate) var(--ease-out); }
.animate-spin { animation: ds-spin 1s linear infinite; }
.animate-pulse { animation: ds-pulse 2s var(--ease-in-out) infinite; }