/* CSS Custom Properties & Reset */
:root {
  --bg-main: #07120e;
  --bg-gradient: radial-gradient(circle at 50% 30%, #102d22 0%, #060e0b 100%);
  --bg-card: rgba(13, 30, 24, 0.7);
  --bg-input: rgba(7, 18, 14, 0.6);
  --border-card: 1px solid rgba(0, 255, 204, 0.15);
  --border-focus: 1px solid #00ffcc;
  
  --text-main: #e2ede9;
  --text-sub: #8fa69d;
  --accent-gold: #e5c158;
  --accent-mint: #00ffcc;
  --accent-mint-glow: rgba(0, 255, 204, 0.3);
  --accent-coral: #ff5c5c;
  --accent-coral-glow: rgba(255, 92, 92, 0.3);
  
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
  --transition-normal: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.15s ease;
  --font-family: 'Outfit', 'Noto Sans JP', sans-serif;
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-main);
  background-image: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  line-height: 1.5;
}

/* App Container */
.app-container {
  width: 100%;
  max-width: 1200px;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 16px;
  position: relative;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 28px;
  filter: drop-shadow(0 0 8px var(--accent-mint));
}

.app-header h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-mint) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  position: absolute;
  bottom: 0;
  left: 38px;
  font-size: 11px;
  color: var(--text-sub);
  letter-spacing: 1px;
  font-weight: 300;
}

/* Icons & Buttons */
.icon-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: var(--transition-normal);
  backdrop-filter: blur(5px);
}

.icon-btn:hover {
  border-color: var(--accent-mint);
  color: var(--accent-mint);
  box-shadow: 0 0 10px var(--accent-mint-glow);
  transform: translateY(-2px);
}

.btn {
  font-family: var(--font-family);
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent-mint) 0%, #00b3ff 100%);
  color: #030806;
}

.primary-btn:hover:not(:disabled) {
  box-shadow: 0 0 15px var(--accent-mint-glow);
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.primary-btn:disabled {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-sub);
  cursor: not-allowed;
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.text-btn {
  background: transparent;
  color: var(--text-sub);
  padding: 6px 12px;
}

.text-btn:hover {
  color: var(--accent-coral);
}

/* Settings Panel */
.settings-panel {
  background: var(--bg-card);
  border: var(--border-card);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  animation: slideDown 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.settings-panel.hidden {
  display: none;
}

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

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 10px;
}

.panel-header h2 {
  font-size: 18px;
  color: var(--accent-mint);
  font-weight: 600;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-sub);
  font-size: 24px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.close-btn:hover {
  color: var(--text-main);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setting-item label {
  font-size: 13px;
  color: var(--text-sub);
}

.setting-item input {
  background: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  padding: 10px;
  border-radius: 8px;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 15px;
}

.setting-item input:focus {
  outline: none;
  border-color: var(--accent-mint);
}

.setting-group-title {
  grid-column: 1 / -1;
  font-size: 14px;
  font-weight: 600;
  margin-top: 10px;
  color: var(--text-sub);
}

.uma-settings-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.setting-item.compact input {
  text-align: center;
  padding: 8px;
}

.panel-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 16px;
}

/* Workspace Layout */
.workspace-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 900px) {
  .workspace-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .validation-panel {
    grid-column: 1 / -1;
  }
}

/* Card Common */
.card {
  background: var(--bg-card);
  border: var(--border-card);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  border-left: 3px solid var(--accent-mint);
  padding-left: 8px;
}

/* Input Section & Cards */
.score-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.player-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 16px;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.player-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: var(--transition-normal);
}

.player-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(0, 255, 204, 0.2);
  transform: translateY(-2px);
}

/* Focus effects on specific player cards */
#player-card-1:focus-within::before { background: var(--accent-gold); }
#player-card-2:focus-within::before { background: var(--accent-mint); }
#player-card-3:focus-within::before { background: #00b3ff; }
#player-card-4:focus-within::before { background: var(--accent-coral); }

#player-card-1:focus-within { border-color: rgba(229, 193, 88, 0.4); }
#player-card-2:focus-within { border-color: rgba(0, 255, 204, 0.4); }
#player-card-3:focus-within { border-color: rgba(0, 179, 255, 0.4); }
#player-card-4:focus-within { border-color: rgba(255, 92, 92, 0.4); }

.player-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.player-name-input {
  background: transparent;
  border: none;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.2);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  width: 100%;
  padding-bottom: 2px;
  transition: var(--transition-fast);
}

.player-name-input:focus {
  outline: none;
  border-bottom-style: solid;
  border-bottom-color: var(--accent-mint);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.player-score-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 12px 36px 12px 12px;
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  text-align: right;
  transition: var(--transition-fast);
}

.player-score-input:focus {
  outline: none;
  border-color: var(--accent-mint);
  box-shadow: 0 0 8px rgba(0, 255, 204, 0.15);
}

/* Hide Spin Buttons */
.player-score-input::-webkit-outer-spin-button,
.player-score-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.player-score-input[type=number] {
  -moz-appearance: textfield;
}

.score-suffix {
  position: absolute;
  right: 12px;
  font-size: 20px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.2);
  pointer-events: none;
}

.player-score-input:focus + .score-suffix {
  color: rgba(0, 255, 204, 0.5);
}

/* Validation & Info Panel */
.validation-panel {
  background: var(--bg-card);
  border: var(--border-card);
  border-radius: 16px;
  padding: 16px 20px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
}

.validation-content {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.validation-status-icon {
  font-size: 24px;
  margin-top: 2px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.validation-details {
  flex-grow: 1;
}

.status-msg {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-sub);
}

.progress-bar-container {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-mint);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px var(--accent-mint-glow);
}

/* Validation variations */
.validation-panel.valid {
  border-color: rgba(0, 255, 204, 0.3);
}
.validation-panel.valid .progress-bar {
  background: var(--accent-mint);
}
.validation-panel.valid .status-msg {
  color: var(--accent-mint);
}

.validation-panel.invalid {
  border-color: rgba(255, 92, 92, 0.3);
}
.validation-panel.invalid .progress-bar {
  background: var(--accent-coral);
  box-shadow: 0 0 8px var(--accent-coral-glow);
}
.validation-panel.invalid .status-msg {
  color: var(--accent-coral);
}

.score-summary-numbers {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-sub);
}

.score-summary-numbers strong {
  color: var(--text-main);
}

/* Result Section & Table */
.table-container {
  overflow-x: auto;
  margin-top: 10px;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.result-table th {
  padding: 12px 16px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.05);
  color: var(--text-sub);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
}

.result-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-weight: 500;
}

.result-table tbody tr {
  transition: var(--transition-fast);
}

.result-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.table-placeholder {
  text-align: center;
  color: var(--text-sub);
  padding: 40px !important;
  font-size: 14px;
}

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

/* Badges & Scopes */
.rank-badge {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  font-weight: 800;
  font-size: 12px;
}

.rank-1 { background: rgba(229, 193, 88, 0.2); color: var(--accent-gold); border: 1px solid var(--accent-gold); }
.rank-2 { background: rgba(0, 255, 204, 0.2); color: var(--accent-mint); border: 1px solid var(--accent-mint); }
.rank-3 { background: rgba(0, 179, 255, 0.2); color: #00b3ff; border: 1px solid #00b3ff; }
.rank-4 { background: rgba(255, 92, 92, 0.2); color: var(--accent-coral); border: 1px solid var(--accent-coral); }

.formula-text {
  font-size: 12px;
  color: var(--text-sub);
  font-family: monospace;
}

.final-score {
  font-weight: 800 !important;
  font-size: 18px;
}

.score-plus {
  color: var(--accent-mint);
  text-shadow: 0 0 10px rgba(0, 255, 204, 0.2);
}

.score-minus {
  color: var(--accent-coral);
  text-shadow: 0 0 10px rgba(255, 92, 92, 0.2);
}

.score-zero {
  color: var(--text-sub);
}

/* Footer */
.app-footer {
  margin-top: auto;
  padding: 40px 16px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-sub);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #0d211a;
  border: 1px solid var(--accent-mint);
  color: var(--text-main);
  padding: 12px 24px;
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: var(--transition-normal);
  opacity: 0;
  pointer-events: none;
  font-weight: 600;
}

.toast:not(.hidden) {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}