/* ==========================================================================
   Blades CSS — Bischoff FX Design System (Light & Minimalist Edition)
   ========================================================================== */

/* Single Unified Font: Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --- Light & Minimalist Root Design System Tokens --- */
:root {
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Harmonic Font Sizes */
  --fs-xs: 0.75rem;    /* 12px */
  --fs-sm: 0.8125rem;  /* 13px */
  --fs-base: 0.875rem;  /* 14px */
  --fs-md: 1rem;       /* 16px */
  --fs-lg: 1.25rem;    /* 20px */
  --fs-xl: 1.5rem;     /* 24px */

  /* Light Theme Color Palette */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-hover: #f1f5f9;
  
  --color-primary: #d97706;
  --color-primary-hover: #b45309;
  --color-primary-light: #fef3c7;
  --color-primary-text: #92400e;

  --color-text: #0f172a;
  --color-text-muted: #64748b;

  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;

  --color-danger: #dc2626;
  --color-danger-bg: #fee2e2;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: var(--font-family);
  font-size: var(--fs-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  -webkit-font-smoothing: antialiased;
}

/* Unified Typography Overrides */
h1, h2, h3, h4, h5, h6, input, textarea, select, button, code, pre {
  font-family: var(--font-family) !important;
}

/* Global Utility Classes */
.hidden {
  display: none !important;
}

/* Container */
.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

/* --- Navigation Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  padding: 0.85rem 0;
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-text);
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary-text);
  font-weight: 800;
  font-size: var(--fs-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.brand-title {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  font-family: var(--font-family);
  font-size: var(--fs-base);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  user-select: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

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

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

.btn-danger {
  background: var(--color-danger-bg);
  border-color: rgba(220, 38, 38, 0.2);
  color: var(--color-danger);
}

.btn-danger:hover {
  background: rgba(220, 38, 38, 0.15);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: var(--fs-sm);
}

.btn-icon {
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.btn-icon:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* --- Filter & Search Section --- */
.filter-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 220px;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  pointer-events: none;
}

.input-field,
.select-field,
.textarea-field {
  width: 100%;
  font-family: var(--font-family);
  font-size: var(--fs-base);
  background: #ffffff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.search-box .input-field {
  padding-left: 2rem;
}

.input-field:focus,
.select-field:focus,
.textarea-field:focus {
  border-color: var(--color-primary);
}

.textarea-field {
  resize: vertical;
  min-height: 75px;
  line-height: 1.5;
}

.filter-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 0.5rem;
}

.empty-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 1rem;
  box-shadow: var(--shadow-sm);
}

.empty-card p {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
}

/* --- Full-Width Cards List Layout --- */
.effects-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.full-width-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.15rem;
  text-decoration: none;
  transition: border-color 0.15s ease, background-color 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.full-width-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
}

.card-title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.full-width-card:hover .card-title {
  color: var(--color-primary);
}

.card-creator {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

/* --- Detail & Edit Page Layout --- */
.page-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
}

.page-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text);
}

.detail-view {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-top: 0.85rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.detail-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
}

.detail-title {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
}

.detail-author {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: 0.15rem;
}

.section-label {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.effect-quote {
  font-size: var(--fs-base);
  color: var(--color-text);
  background: var(--color-primary-light);
  border: 1px solid rgba(217, 119, 6, 0.25);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  font-style: italic;
}

.code-box {
  font-size: var(--fs-base);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  white-space: pre-line;
  line-height: 1.5;
}

.sleights-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary-text);
  border-color: rgba(217, 119, 6, 0.3);
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-base);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-text);
  font-weight: 700;
  font-size: var(--fs-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  shrink: 0;
}

/* --- Form & Edit Page Layout --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* Steps Editor Box */
.steps-editor-wrapper {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.step-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
}

.drag-handle {
  cursor: grab;
  color: var(--color-text-muted);
  font-size: var(--fs-base);
  padding: 0.3rem 0.1rem;
  user-select: none;
}

.drag-handle:active {
  cursor: grabbing;
}

.step-number {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  width: 20px;
  text-align: center;
  padding-top: 0.55rem;
}

.step-controls {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  shrink: 0;
  padding-top: 0.2rem;
}

.divider-insert {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.2rem 0;
}

.divider-line {
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

.btn-insert-inline {
  position: absolute;
  opacity: 0;
  transition: opacity 0.15s ease;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  cursor: pointer;
}

.divider-insert:hover .btn-insert-inline {
  opacity: 1;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 0;
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  background: #ffffff;
}

/* Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 60;
  background: var(--color-text);
  color: #ffffff;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  animation: slideUp 0.25s ease forwards;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Unbacked Changes Banner & Badge */
.unbacked-banner {
  background: #fef3c7;
  border-bottom: 1px solid #fde68a;
  color: #92400e;
  font-size: var(--fs-sm);
  padding: 0.5rem 0;
}

.unbacked-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 500;
}

.btn-xs {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
}

.btn-has-unbacked {
  border-color: #f59e0b !important;
  color: #b45309 !important;
  position: relative;
}

.btn-has-unbacked::after {
  content: '';
  position: absolute;
  top: -3px;
  right: -3px;
  width: 9px;
  height: 9px;
  background-color: #f59e0b;
  border: 2px solid #ffffff;
  border-radius: 50%;
}

.badge-unbacked {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}

.card-unbacked {
  border-left: 4px solid #f59e0b !important;
}