/* MTG Mana Base Calculator - CSS Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Dark fantasy obsidian palette */
  --bg-main: #0a0a0f;
  --bg-gradient: linear-gradient(135deg, #0a0a0f 0%, #12121c 100%);
  --bg-card: rgba(22, 22, 35, 0.6);
  --bg-card-hover: rgba(30, 30, 48, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.5); /* Glowing purple border */
  
  /* Text */
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  /* Accents */
  --accent-purple: #8b5cf6;
  --accent-purple-glow: rgba(139, 92, 246, 0.3);
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-success: #10b981;
  
  /* MTG Mana Colors & Glows */
  --mana-w: #fcfcc1;
  --mana-w-glow: rgba(252, 252, 193, 0.4);
  --mana-u: #6fc6ff;
  --mana-u-glow: rgba(111, 198, 255, 0.4);
  --mana-b: #121212;
  --mana-b-glow: rgba(255, 255, 255, 0.15);
  --mana-r: #ff6f6f;
  --mana-r-glow: rgba(255, 111, 111, 0.4);
  --mana-g: #6fff9f;
  --mana-g-glow: rgba(111, 255, 159, 0.4);
  --mana-c: #a1a1aa;
  --mana-c-glow: rgba(161, 161, 170, 0.3);

  /* Fonts */
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Effects */
  --glass-blur: blur(16px);
  --shadow-lg: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background: var(--bg-main);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  padding-bottom: 2rem;
}

/* Background elements for depth */
.bg-ambient-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-purple-glow) 0%, rgba(10, 10, 15, 0) 70%);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: -1;
  pointer-events: none;
  filter: blur(40px);
}

/* Layout Wrapper */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Header */
header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 1rem 0;
}

.brand-section {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, #ffffff 30%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

header p {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 350;
}

/* Quick Controls (Language) */
.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-selector-wrapper {
  position: relative;
}

.lang-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  backdrop-filter: var(--glass-blur);
}

.lang-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  box-shadow: 0 0 15px var(--accent-purple-glow);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: #11111e;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: none;
  flex-direction: column;
  min-width: 140px;
  overflow: hidden;
  z-index: 100;
}

.lang-dropdown.show {
  display: flex;
}

.lang-opt {
  padding: 0.75rem 1.25rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
  width: 100%;
  transition: var(--transition-smooth);
}

.lang-opt:hover {
  background: var(--accent-purple);
  color: #fff;
}

/* Main Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

@media (min-width: 1280px) {
  .dashboard-grid {
    grid-template-columns: 1fr 1.3fr;
  }
}

/* Glassmorphic Panel (Card) */
.glass-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.panel-title {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

/* Navigation Tabs */
.tabs-nav {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.6rem;
  border-radius: 9px;
  font-family: var(--font-family);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn.active {
  background: var(--accent-purple);
  color: #fff;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.25);
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

/* Styled Inputs */
textarea.glass-input {
  resize: vertical;
  min-height: 180px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
}

.glass-input {
  background: rgba(10, 10, 15, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  font-family: var(--font-family);
  font-size: 0.95rem;
  width: 100%;
  outline: none;
  transition: var(--transition-smooth);
}

.glass-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.2);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  color: #fff;
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: 12px;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
  min-height: 48px; /* Touch target safety */
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  min-height: 44px;
}

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

/* Manual Pip Counter UI */
.manual-pip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
}

.pip-counter-card {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.pip-label-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mana-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  color: #000;
  box-shadow: 0 0 8px currentColor;
}

/* MTG Mana specific icons */
.mana-icon.w { background: var(--mana-w); box-shadow: 0 0 10px var(--mana-w-glow); color: #4b5563; }
.mana-icon.u { background: var(--mana-u); box-shadow: 0 0 10px var(--mana-u-glow); color: #1e3a8a; }
.mana-icon.b { background: var(--mana-b); box-shadow: 0 0 10px var(--mana-b-glow); color: #fff; border: 1px solid rgba(255, 255, 255, 0.2); }
.mana-icon.r { background: var(--mana-r); box-shadow: 0 0 10px var(--mana-r-glow); color: #7f1d1d; }
.mana-icon.g { background: var(--mana-g); box-shadow: 0 0 10px var(--mana-g-glow); color: #064e3b; }
.mana-icon.c { background: var(--mana-c); box-shadow: 0 0 10px var(--mana-c-glow); color: #fff; }

.pip-inputs {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pip-num-input {
  width: 45px;
  text-align: center;
  padding: 0.4rem 0.25rem;
  border-radius: 8px;
}

/* Saved Decks Panel */
.saved-decks-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.saved-deck-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: var(--transition-smooth);
}

.saved-deck-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.15);
}

.deck-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.deck-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.deck-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.deck-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-sm-delete {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--accent-red);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-sm-delete:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn-sm-load {
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--accent-purple);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-sm-load:hover {
  background: rgba(139, 92, 246, 0.25);
}

/* Results Panel (Right Column) */
.results-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.results-loading {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  gap: 1rem;
  text-align: center;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(139, 92, 246, 0.1);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.results-content {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
}

/* SVG Chart */
.charts-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .charts-section {
    grid-template-columns: 1fr 1fr;
  }
}

.chart-card {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.chart-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.chart-svg-container {
  width: 160px;
  height: 160px;
  position: relative;
}

.chart-svg-container svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  font-size: 0.8rem;
  width: 100%;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Table of Recommendations */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.1);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
  border-bottom: none;
}

/* Warnings Panel */
.warnings-panel {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.warnings-header {
  font-weight: 700;
  color: var(--accent-amber);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.warnings-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  padding-left: 1.25rem;
}

.warnings-list li {
  color: var(--text-secondary);
  line-height: 1.4;
}

/* AdSense Ad Slots CSS */
.adsense-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 1rem 0;
  gap: 0.25rem;
  pointer-events: auto;
}

.adsense-slot {
  width: 100%;
  background: rgba(20, 20, 30, 0.4);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  backdrop-filter: var(--glass-blur);
}

.adsense-slot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.03) 0%, transparent 100%);
  pointer-events: none;
}

/* AdSense slot layout sizes */
.adsense-slot.horizontal-banner {
  min-height: 90px;
  max-width: 728px;
  margin: 0 auto;
}

.adsense-slot.display-ad {
  min-height: 250px;
  max-width: 300px;
  margin: 0 auto;
}

.adsense-label {
  position: absolute;
  top: 6px;
  left: 10px;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.adsense-placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-muted);
}

.adsense-placeholder-content svg {
  width: 24px;
  height: 24px;
  opacity: 0.4;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}

/* Save Form Row */
.save-form-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
}

/* Tab Content Visibility */
.tab-content {
  display: none;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Step-by-Step Manual Form Layout */
.step-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 1rem;
}
.step-instruction {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-purple);
  line-height: 1.4;
}

/* Dual & Fetch Lands Container */
.dual-fetch-flat-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 0.5rem;
}

/* Dual Land section styling */
.dual-land-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.section-subtitle {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.dual-land-controls-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.dual-land-controls-row select.glass-input {
  flex: 1;
}

.dual-land-controls-row input.qty-input {
  width: 65px;
  text-align: center;
}

.btn-add-dual {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0 1.25rem;
  height: 44px;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.btn-add-dual:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.15);
}

/* Chips container */
.dual-lands-chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.dual-land-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: var(--transition-smooth);
}

.dual-land-chip:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.dual-land-chip .mana-icon {
  width: 16px;
  height: 16px;
  font-size: 0.55rem;
  line-height: 16px;
  box-shadow: none;
}

.dual-land-chip .qty-text {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-left: 0.1rem;
}

.btn-delete-chip {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  transition: var(--transition-smooth);
}

.btn-delete-chip:hover {
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.1);
}

/* Fetch Land section styling */
.fetch-land-section {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.fetch-land-header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem;
}

.section-subtitle-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.fetch-counter-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-counter {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.btn-counter:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.15);
}

.btn-counter:active {
  transform: scale(0.95);
}

.counter-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 24px;
  text-align: center;
}

/* Brand Banner Link & Image styles */
.brand-banner-link {
  display: inline-block;
  margin-bottom: 1.25rem;
  text-decoration: none;
  outline: none;
  max-width: 655px; /* 10% smaller than 728px */
  width: 100%;
  aspect-ratio: 4.2 / 1; /* Forces cropped aspect ratio */
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-smooth);
}

.brand-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center; /* Crops equal amounts from top and bottom */
  display: block;
}

.brand-banner-link:hover .brand-banner-img {
  transform: translateY(-2px);
  border-color: var(--border-focus);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.25);
}