@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* ==========================================================================
     LIGHT THEME (Visual Reference: Clean, Minimalist, White & Neutral Zinc)
     ========================================================================== */
  --bg-base: #ffffff;
  --bg-canvas: #fbfbfb;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-subtle: #f4f4f5;
  --bg-hover: #ebebeb;
  --bg-active: #e4e4e7;

  --border-subtle: #e5e5e5;
  --border-strong: #d4d4d8;
  --border-focus: #171717;

  --text-primary: #0a0a0a;
  --text-secondary: #52525b;
  --text-muted: #71717a;
  --text-inverse: #ffffff;

  /* Buttons */
  --btn-primary-bg: #171717;
  --btn-primary-text: #ffffff;
  --btn-primary-border: #171717;
  --btn-primary-hover: #262626;

  --btn-secondary-bg: #ffffff;
  --btn-secondary-text: #0a0a0a;
  --btn-secondary-border: #e5e5e5;
  --btn-secondary-hover: #f4f4f5;

  /* Brand / Telegram Accent (Refined, Non-Acidic) */
  --accent-tg: #0284c7;
  --accent-tg-hover: #0369a1;
  --accent-tg-subtle: rgba(2, 132, 199, 0.08);

  /* Semantic Status Tokens */
  --status-positive-text: #15803d;
  --status-positive-bg: #f0fdf4;
  --status-positive-border: #bbf7d0;

  --status-warning-text: #b45309;
  --status-warning-bg: #fffbeb;
  --status-warning-border: #fde68a;

  --status-danger-text: #b91c1c;
  --status-danger-bg: #fef2f2;
  --status-danger-border: #fecaca;

  --status-neutral-text: #52525b;
  --status-neutral-bg: #f4f4f5;
  --status-neutral-border: #e4e4e7;

  /* Chart Tokens */
  --chart-primary: #171717;
  --chart-secondary: #71717a;
  --chart-accent-1: #f54900;
  --chart-accent-2: #009689;
  --chart-accent-3: #ffb900;
  --chart-accent-4: #0a2844;
  --chart-grid: rgba(0, 0, 0, 0.04);
  --chart-crosshair: rgba(113, 113, 122, 0.35);
  --chart-tooltip-bg: #ffffff;
  --chart-tooltip-border: #e5e5e5;
  --chart-tooltip-title: #0a0a0a;
  --chart-tooltip-body: #52525b;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.dark {
  /* ==========================================================================
     DARK THEME (Visual Reference: Deep Charcoal, Restrained Editorial Dark)
     ========================================================================== */
  --bg-base: #0a0a0a;
  --bg-canvas: #0a0a0a;
  --bg-surface: #141414;
  --bg-surface-elevated: #171717;
  --bg-subtle: #1c1c1c;
  --bg-hover: #222222;
  --bg-active: #2a2a2a;

  --border-subtle: #262626;
  --border-strong: #333333;
  --border-focus: #fafafa;

  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-inverse: #0a0a0a;

  /* Buttons */
  --btn-primary-bg: #f4f4f5;
  --btn-primary-text: #0a0a0a;
  --btn-primary-border: #f4f4f5;
  --btn-primary-hover: #e4e4e7;

  --btn-secondary-bg: #141414;
  --btn-secondary-text: #fafafa;
  --btn-secondary-border: #262626;
  --btn-secondary-hover: #1f1f1f;

  /* Brand / Telegram Accent */
  --accent-tg: #38bdf8;
  --accent-tg-hover: #7dd3fc;
  --accent-tg-subtle: rgba(56, 189, 248, 0.12);

  /* Semantic Status Tokens */
  --status-positive-text: #4ade80;
  --status-positive-bg: rgba(34, 197, 94, 0.12);
  --status-positive-border: rgba(34, 197, 94, 0.25);

  --status-warning-text: #fbbf24;
  --status-warning-bg: rgba(245, 158, 11, 0.12);
  --status-warning-border: rgba(245, 158, 11, 0.25);

  --status-danger-text: #f87171;
  --status-danger-bg: rgba(239, 68, 68, 0.12);
  --status-danger-border: rgba(239, 68, 68, 0.25);

  --status-neutral-text: #a1a1aa;
  --status-neutral-bg: rgba(161, 161, 170, 0.10);
  --status-neutral-border: rgba(161, 161, 170, 0.20);

  /* Chart Tokens */
  --chart-primary: #e5e5e5;
  --chart-secondary: #71717a;
  --chart-accent-1: #2563eb;
  --chart-accent-2: #00bc7d;
  --chart-accent-3: #ad46ff;
  --chart-accent-4: #fe9a00;
  --chart-grid: rgba(255, 255, 255, 0.05);
  --chart-crosshair: rgba(161, 161, 170, 0.35);
  --chart-tooltip-bg: #171717;
  --chart-tooltip-border: #262626;
  --chart-tooltip-title: #fafafa;
  --chart-tooltip-body: #a1a1aa;

  --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.6);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.font-mono {
  font-family: var(--font-mono);
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Surface containers */
.surface-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
}

.surface-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

/* Metric Ribbon Strip */
.metric-strip {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (min-width: 640px) {
  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .metric-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.metric-cell {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 150ms ease;
}

@media (min-width: 640px) {
  .metric-cell:nth-child(odd) {
    border-right: 1px solid var(--border-subtle);
  }
  .metric-cell:nth-last-child(-n + 2) {
    border-bottom: none;
  }
}

@media (min-width: 1024px) {
  .metric-cell {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
  }
  .metric-cell:last-child {
    border-right: none;
  }
}

.metric-cell:hover {
  background-color: var(--bg-subtle);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-top: 0.35rem;
}

.metric-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Sidebar Styling */
.sidebar-shell {
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: all 140ms ease;
  text-decoration: none;
}

.sidebar-nav-item:hover {
  color: var(--text-primary);
  background-color: var(--bg-subtle);
}

.sidebar-nav-item.is-active {
  color: var(--text-primary);
  background-color: var(--bg-subtle);
  border-color: var(--border-subtle);
  font-weight: 600;
}

.sidebar-nav-item.is-active .nav-icon {
  color: var(--text-primary);
}

.sidebar-nav-item .nav-badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  background-color: var(--status-warning-bg);
  color: var(--status-warning-text);
  border: 1px solid var(--status-warning-border);
}

/* Button Component Hierarchy */
.btn-primary,
.btn-secondary,
.btn-ghost,
.btn-danger,
.btn-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 140ms ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border: 1px solid var(--btn-primary-border);
}

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

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--btn-secondary-border);
}

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

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

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

.btn-danger {
  background-color: var(--status-danger-bg);
  color: var(--status-danger-text);
  border: 1px solid var(--status-danger-border);
}

.btn-danger:hover {
  background-color: rgba(239, 68, 68, 0.2);
}

.btn-success {
  background-color: var(--status-positive-bg);
  color: var(--status-positive-text);
  border: 1px solid var(--status-positive-border);
}

.btn-success:hover {
  background-color: rgba(34, 197, 94, 0.2);
}

/* Form inputs & controls */
.input-modern,
.select-modern,
.textarea-modern {
  width: 100%;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  padding: 0.45rem 0.65rem;
  font-size: 0.8125rem;
  font-family: inherit;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.input-modern:focus,
.select-modern:focus,
.textarea-modern:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 1px var(--border-focus);
}

.input-modern::placeholder,
.textarea-modern::placeholder {
  color: var(--text-muted);
}

.textarea-modern {
  min-height: 5.5rem;
  resize: vertical;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

/* Status Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.status-pill::before {
  content: '';
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 999px;
  background-color: currentColor;
  flex-shrink: 0;
}

.status-positive {
  color: var(--status-positive-text);
  background-color: var(--status-positive-bg);
  border: 1px solid var(--status-positive-border);
}

.status-warning {
  color: var(--status-warning-text);
  background-color: var(--status-warning-bg);
  border: 1px solid var(--status-warning-border);
}

.status-danger {
  color: var(--status-danger-text);
  background-color: var(--status-danger-bg);
  border: 1px solid var(--status-danger-border);
}

.status-neutral {
  color: var(--status-neutral-text);
  background-color: var(--status-neutral-bg);
  border: 1px solid var(--status-neutral-border);
}

/* Data Tables */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.8125rem;
}

.data-table th {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.data-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background-color 120ms ease;
}

.data-table tbody tr:hover {
  background-color: var(--bg-hover);
}

.data-table tbody tr:hover td {
  color: var(--text-primary);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* Telegram Live Preview Bubble Component */
.tg-preview-card {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem;
}

.tg-bubble {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1rem;
  max-width: 32rem;
  box-shadow: var(--shadow-subtle);
}

.dark .tg-bubble {
  background-color: #1a1a1a;
  border-color: #262626;
}

.tg-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.tg-avatar {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.tg-sender-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tg-sender-badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.tg-body-text {
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--text-primary);
  word-break: break-word;
}

.tg-link-button {
  margin-top: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: 100%;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 140ms ease;
  word-break: break-all;
}

.tg-link-button:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-strong);
}

.tg-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* Chart Canvas Shell */
.chart-shell {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem;
}

/* Period Segmented Control */
.period-control {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2px;
  gap: 2px;
}

.period-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 4px;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 140ms ease;
  white-space: nowrap;
  line-height: 1;
}

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

.period-btn.is-active {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  font-weight: 600;
}


/* Clean utility classes */
.hairline-b {
  border-bottom: 1px solid var(--border-subtle);
}

.hairline-r {
  border-right: 1px solid var(--border-subtle);
}

.hairline-t {
  border-top: 1px solid var(--border-subtle);
}

/* HTMX Transition indicator */
.htmx-indicator {
  opacity: 0;
  transition: opacity 150ms ease;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  opacity: 1;
}

/* Mini Calendar Component */
.mini-calendar-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 50;
  width: 280px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.dark .mini-calendar-dropdown {
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}

.mini-calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.mini-calendar-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: capitalize;
}

.mini-calendar-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 120ms ease;
}

.mini-calendar-nav-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.mini-calendar-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
}

.mini-calendar-preset-chip {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 120ms ease;
  line-height: 1.2;
}

.mini-calendar-preset-chip:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.mini-calendar-grid {
  padding: 0.5rem 0.65rem;
}

.mini-calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 0.25rem;
  text-align: center;
}

.mini-calendar-weekday {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.mini-calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.mini-calendar-day-btn {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  height: 1.85rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 100ms ease;
  padding: 0;
}

.mini-calendar-day-btn:hover {
  background-color: var(--bg-hover);
}

.mini-calendar-day-btn.is-other-month {
  color: var(--text-muted);
  opacity: 0.35;
}

.mini-calendar-day-btn.is-other-month:hover {
  opacity: 0.8;
  background-color: var(--bg-hover);
}

.mini-calendar-nav-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  pointer-events: none;
}

.mini-calendar-day-btn.is-today {
  border-color: var(--accent-tg);
  color: var(--accent-tg);
  font-weight: 700;
}

.mini-calendar-day-btn.is-selected {
  background-color: var(--btn-primary-bg) !important;
  color: var(--btn-primary-text) !important;
  border-color: var(--btn-primary-bg) !important;
  font-weight: 700;
}

.mini-calendar-day-btn.is-disabled {
  opacity: 0.18;
  cursor: not-allowed;
  pointer-events: none;
}

.mini-calendar-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.65rem;
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-subtle);
}

.mini-calendar-footer-btn {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-muted);
  transition: color 120ms ease;
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
}

.mini-calendar-footer-btn:hover {
  color: var(--text-primary);
}

.mini-calendar-footer-btn.is-clear:hover {
  color: var(--status-danger-text);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}