/* EpochFlow Global Styles & Modern Design System */

:root {
  /* Dark Mode Palette (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --panel-bg: rgba(17, 24, 39, 0.65);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-shadow: rgba(0, 0, 0, 0.35);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.15);
  
  --secondary: #1f2937;
  --secondary-hover: #374151;
  
  --accent-indigo: #4f46e5;
  --accent-purple: #a855f7;
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.2);
  --accent-amber: #f59e0b;
  
  --input-bg: rgba(3, 7, 18, 0.5);
  --input-border: rgba(255, 255, 255, 0.12);
  --input-focus: #6366f1;
  
  --toast-bg: rgba(16, 185, 129, 0.9);
  --toast-text: #ffffff;
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

[data-theme="light"] {
  /* Light Mode Palette */
  --bg-primary: #f3f4f6;
  --bg-secondary: #e5e7eb;
  --panel-bg: rgba(255, 255, 255, 0.7);
  --panel-border: rgba(0, 0, 0, 0.08);
  --panel-shadow: rgba(31, 41, 55, 0.1);
  
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --primary: #4f46e5;
  --primary-hover: #3730a3;
  --primary-glow: rgba(79, 70, 229, 0.15);
  
  --secondary: #f3f4f6;
  --secondary-hover: #e5e7eb;
  
  --accent-indigo: #4f46e5;
  --accent-purple: #9333ea;
  --accent-emerald: #059669;
  --accent-emerald-glow: rgba(5, 150, 105, 0.2);
  --accent-amber: #d97706;
  
  --input-bg: rgba(255, 255, 255, 0.9);
  --input-border: rgba(0, 0, 0, 0.15);
  --input-focus: #4f46e5;
  
  --toast-bg: rgba(5, 150, 105, 0.95);
  --toast-text: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* Ambient Background Blobs */
.glow-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  mix-blend-mode: screen;
}

[data-theme="light"] .blob {
  opacity: 0.15;
  mix-blend-mode: multiply;
}

.blob-indigo {
  top: -10%;
  left: 10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-indigo) 0%, transparent 70%);
  animation: float-blob 25s infinite alternate ease-in-out;
}

.blob-purple {
  bottom: -10%;
  right: 10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
  animation: float-blob 20s infinite alternate-reverse ease-in-out;
}

@keyframes float-blob {
  0% { transform: translate(0px, 0px) scale(1); }
  50% { transform: translate(40px, -60px) scale(1.1); }
  100% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Font helpers */
.mono-font {
  font-family: var(--font-mono);
}

/* Glassmorphism Panel style */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  box-shadow: 0 8px 32px 0 var(--panel-shadow);
  border-radius: 16px;
}

/* Layout Container */
.app-container {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-grow: 1;
}

/* App Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 0.5rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--primary);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.logo-text h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.theme-toggle-btn {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  cursor: pointer;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  box-shadow: 0 4px 12px var(--panel-shadow);
  transition: transform 0.2s, background-color 0.2s;
}

.theme-toggle-btn:hover {
  transform: scale(1.05);
  background-color: var(--secondary-hover);
}

.theme-toggle-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Hide theme icons dynamically */
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* Live Ticker Section */
.live-ticker-section {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
}

@media (max-width: 860px) {
  .live-ticker-section {
    grid-template-columns: 1fr;
    gap: 1rem;
    text-align: center;
  }
}

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

@media (max-width: 860px) {
  .ticker-header {
    justify-content: center;
  }
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-emerald-glow);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  animation: pulse-dot-anim 1.5s infinite;
}

.pulse-dot.paused {
  background-color: var(--text-muted);
  animation: none;
}

@keyframes pulse-dot-anim {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 12px var(--accent-emerald); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.status-text {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-emerald);
}

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

.ticker-number-container {
  display: flex;
  align-items: baseline;
  justify-content: flex-start;
  gap: 0.25rem;
}

@media (max-width: 860px) {
  .ticker-number-container {
    justify-content: center;
  }
}

#live-timestamp {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.timestamp-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.ticker-datetimes {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .ticker-datetimes {
    justify-content: center;
  }
}

.ticker-date-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.ticker-date-item .label {
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.ticker-date-item .value {
  font-weight: 500;
}

.ticker-shortcuts {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

@media (max-width: 860px) {
  .ticker-shortcuts {
    justify-content: center;
  }
}

/* Buttons Styling */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  border-radius: 8px;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

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

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

.btn-icon {
  width: 0.95rem;
  height: 0.95rem;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.2s;
}

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

.icon-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

.hidden {
  display: none !important;
}

/* Main Grid Layout */
.app-main-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .app-main-grid {
    grid-template-columns: 1fr;
  }
}

/* Converter Card Layout */
.converter-card {
  display: flex;
  flex-direction: column;
}

.tab-header {
  display: flex;
  border-bottom: 1px solid var(--panel-border);
  padding: 0.5rem 1rem 0;
}

.tab-trigger {
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 1rem 1.25rem;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

.tab-trigger:hover {
  color: var(--text-primary);
}

.tab-trigger.active {
  color: var(--primary);
}

.tab-trigger.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 9999px;
  box-shadow: 0 0 8px var(--primary);
}

.tab-content {
  padding: 1.5rem;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Input group */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.input-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

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

.input-wrapper input {
  width: 100%;
  min-height: 48px;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 12px;
  padding: 0.75rem 4.5rem 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 500;
  outline: none;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
  transition: all 0.2s;
}

.input-wrapper input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--primary-glow), inset 0 2px 4px rgba(0,0,0,0.1);
}

.input-actions {
  position: absolute;
  right: 0.5rem;
  display: flex;
  gap: 0.25rem;
}

.input-action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  transition: all 0.2s;
}

.input-action-btn:hover {
  color: var(--text-primary);
  background-color: var(--secondary-hover);
}

.input-action-btn svg {
  width: 1.15rem;
  height: 1.15rem;
}

.input-hint-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Badges styling */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-indigo {
  background-color: var(--primary-glow);
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.custom-unit-selector select {
  background-color: var(--secondary);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
  outline: none;
  cursor: pointer;
}

.custom-unit-selector select:focus {
  border-color: var(--primary);
}

/* Output Cards Grid */
.output-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .output-grid {
    grid-template-columns: 1fr;
  }
}

.output-card {
  background-color: rgba(3, 7, 18, 0.25);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.output-card.highlight {
  border-color: var(--primary-glow);
  box-shadow: 0 0 16px var(--primary-glow);
}

.output-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.output-card-header.flex-header {
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
}

.output-card-header.flex-header select {
  width: 100%;
  padding: 0.35rem 0.5rem;
  background-color: var(--secondary);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
}

.output-card-header.flex-header select:focus {
  border-color: var(--primary);
}

.card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-badge {
  font-size: 0.7rem;
  color: var(--text-muted);
  background-color: var(--secondary);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.output-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.primary-output {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
  line-height: 1.3;
}

.secondary-output {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.output-card-footer {
  display: flex;
  justify-content: flex-end;
}

/* Date Pick Form tab styling */
.date-picker-form {
  background-color: rgba(3, 7, 18, 0.25);
  border: 1px solid var(--panel-border);
  padding: 1.25rem;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-row-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

@media (max-width: 600px) {
  .form-row-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  min-height: 44px;
  padding: 0.6rem 0.8rem;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input[type="datetime-local"] {
  font-family: var(--font-mono);
}

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

.form-row-actions {
  display: flex;
  justify-content: flex-end;
}

/* Output values list (for Date to Timestamp) */
.timestamp-outputs-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ts-output-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background-color: rgba(3, 7, 18, 0.2);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  gap: 1rem;
}

@media (max-width: 480px) {
  .ts-output-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
}

.ts-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.ts-value-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@media (max-width: 480px) {
  .ts-value-container {
    justify-content: space-between;
  }
}

.ts-value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  user-select: all;
  word-break: break-all;
}

/* Sidebar Styles */
.main-column-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.side-card {
  padding: 1.25rem;
}

.side-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-left: 3px solid var(--primary);
  padding-left: 0.5rem;
}

/* Constants List */
.constants-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.constant-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .constant-item {
  border-bottom: 1px dashed rgba(0, 0, 0, 0.05);
}

.constant-item .label {
  color: var(--text-secondary);
}

.constant-item .value {
  color: var(--text-primary);
  font-weight: 500;
}

/* Today's benchmarks */
.benchmarks-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.benchmark-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(3, 7, 18, 0.2);
  border: 1px solid var(--panel-border);
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
}

.benchmark-info {
  display: flex;
  flex-direction: column;
}

.benchmark-info .label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.benchmark-info .value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.btn-load-epoch {
  color: var(--text-muted);
}

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

/* History panel */
.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.card-header-row h3 {
  margin-bottom: 0;
}

.text-link-btn {
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 500;
}

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

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 260px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

/* Scrollbar customization */
.history-list::-webkit-scrollbar {
  width: 4px;
}
.history-list::-webkit-scrollbar-track {
  background: transparent;
}
.history-list::-webkit-scrollbar-thumb {
  background: var(--panel-border);
  border-radius: 2px;
}

.history-empty {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  padding: 1.5rem 0;
}

.history-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  background-color: rgba(3, 7, 18, 0.15);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.2s;
}

.history-item:hover {
  border-color: var(--panel-border);
  background-color: rgba(3, 7, 18, 0.3);
}

.history-details {
  display: flex;
  flex-direction: column;
}

.history-ts {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.history-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.history-actions {
  display: flex;
  gap: 0.25rem;
}

.history-actions .icon-btn {
  padding: 0.3rem;
}

.history-actions .icon-btn svg {
  width: 0.95rem;
  height: 0.95rem;
}

/* App Footer */
.app-footer {
  text-align: center;
  margin-top: auto;
  padding-block: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--panel-border);
}

/* Global Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background-color: var(--toast-bg);
  color: var(--toast-text);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s, visibility 0.3s;
}

.toast.hidden {
  transform: translateX(-50%) translateY(100px);
  opacity: 0;
  visibility: hidden;
}

.toast-icon {
  width: 1.15rem;
  height: 1.15rem;
}