/* =========================================================
   Markt-Live-Dashboard · Professionelles helles Design
   ========================================================= */

:root {
  /* Farbpalette - hell, professionell, finanziell */
  --bg:               #f4f6fb;
  --bg-soft:          #eef1f7;
  --surface:          #ffffff;
  --surface-2:        #fafbfd;
  --surface-hover:    #f8fafc;

  --border:           #e3e8f0;
  --border-strong:    #cbd5e1;

  --text:             #0f172a;
  --text-muted:       #475569;
  --text-soft:        #64748b;
  --text-faint:       #94a3b8;

  --up:               #047857;
  --up-soft:          #ecfdf5;
  --up-bg:            #d1fae5;
  --down:             #b91c1c;
  --down-soft:        #fef2f2;
  --down-bg:          #fee2e2;
  --neutral:          #475569;
  --neutral-bg:       #f1f5f9;

  --accent:           #0f766e;
  --accent-2:         #14b8a6;
  --accent-soft:      #ccfbf1;
  --accent-glow:      rgba(20, 184, 166, 0.18);

  --shadow-xs:        0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm:        0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md:        0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg:        0 10px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
  --shadow-xl:        0 25px 50px -12px rgba(15, 23, 42, 0.22);

  --radius-sm:        8px;
  --radius-md:        12px;
  --radius-lg:        16px;
  --radius-xl:        20px;

  --transition:      180ms cubic-bezier(.4, 0, .2, 1);

  --font-sans:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-mono:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-feature-settings: 'tnum', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ===== Header / Topbar ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 14px -4px var(--accent-glow);
}
.brand h1 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.brand-sub {
  font-size: 12px;
  color: var(--text-soft);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-top: 1px;
}

.topbar-status { display: flex; align-items: center; gap: 14px; }

.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
  transition: var(--transition);
}
.status-pill.live .status-dot {
  background: var(--accent-2);
  box-shadow: 0 0 0 4px var(--accent-glow);
  animation: pulse 1.8s ease-in-out infinite;
}
.status-pill.paused .status-dot {
  background: var(--text-faint);
}
.status-pill.error .status-dot { background: var(--down); }
.status-pill.live { color: var(--accent); }
.status-pill.paused { color: var(--text-soft); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%      { box-shadow: 0 0 0 6px transparent; }
}

.last-update {
  display: flex; flex-direction: column; align-items: flex-end;
  font-family: var(--font-mono);
  line-height: 1.1;
}
.last-update-label {
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  font-family: var(--font-sans);
}
#lastUpdate {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.btn-refresh {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.btn-refresh:hover {
  background: var(--surface-hover);
  color: var(--accent);
  border-color: var(--accent-soft);
  transform: rotate(-30deg);
}
.btn-refresh:active { transform: rotate(-180deg); }
.btn-refresh.spinning svg { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Container ===== */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px;
}

/* ===== Gruppen / Section ===== */
.group { margin-bottom: 32px; }
.group-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 14px;
}
.group-header h2 {
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
}
.group-hint {
  font-size: 12px;
  color: var(--text-faint);
  font-weight: 500;
}

/* ===== Karten Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

/* ===== Quote Card ===== */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px 14px;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: transparent;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card:hover::before { background: var(--accent); }
.card:active { transform: translateY(0); }

.card-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.card-title-wrap { min-width: 0; }
.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-symbol {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-top: 2px;
}
.card-badges { display: flex; gap: 4px; flex-shrink: 0; }
.badge {
  font-size: 9px;
  font-weight: 700;
  padding: 3px 6px;
  border-radius: 4px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge.open   { background: var(--up-bg);   color: var(--up); }
.badge.closed { background: var(--neutral-bg); color: var(--text-soft); }
.badge.pre    { background: var(--accent-soft); color: var(--accent); }

/* Live-Badges für Realtime-Daten */
.badge-live {
  background: var(--up-bg);
  color: var(--up);
  position: relative;
  padding-left: 14px;
}
.badge-live::before {
  content: '';
  position: absolute;
  left: 5px; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--up);
  animation: livePulse 1.4s ease-in-out infinite;
}
.badge-live-ls {
  background: var(--accent-soft);
  color: var(--accent);
  position: relative;
  padding-left: 14px;
}
.badge-live-ls::before {
  content: '';
  position: absolute;
  left: 5px; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: livePulse 1.4s ease-in-out infinite;
}
.badge-closed { background: var(--neutral-bg); color: var(--text-soft); }
.badge-error  { background: var(--down-bg); color: var(--down); }

@keyframes livePulse {
  0%, 100% { box-shadow: 0 0 0 0 currentColor; opacity: 1; }
  50%      { box-shadow: 0 0 0 3px transparent; opacity: 0.5; }
}

/* Flash-Animation bei Preisänderung */
.card-price.flash-up {
  animation: flashUp 0.6s ease-out;
}
.card-price.flash-down {
  animation: flashDown 0.6s ease-out;
}
@keyframes flashUp {
  0%   { background: var(--up-bg); box-shadow: 0 0 0 4px var(--up-bg); }
  100% { background: transparent; box-shadow: 0 0 0 0 transparent; }
}
@keyframes flashDown {
  0%   { background: var(--down-bg); box-shadow: 0 0 0 4px var(--down-bg); }
  100% { background: transparent; box-shadow: 0 0 0 0 transparent; }
}

.card-body {
  display: block;
}
.card-price-block { min-width: 0; }
.card-price {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.1;
}
.card-price.loading { color: var(--text-faint); }
.card-change {
  margin-top: 4px;
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}
.card-change.up   { color: var(--up); }
.card-change.down { color: var(--down); }
.card-change.flat { color: var(--text-soft); }
.change-arrow {
  font-size: 11px;
  display: inline-block;
}

/* ===== Tageschart in Kachel ===== */
.card-chart-wrap {
  margin-top: 12px;
  height: 56px;
  position: relative;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 4px 6px;
  overflow: hidden;
}
.card-chart {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.card-foot {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
  display: flex; justify-content: space-between;
  font-size: 10px;
  color: var(--text-faint);
  font-weight: 500;
}

/* ===== Footer ===== */
.footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 11px;
  line-height: 1.6;
}
.footer p + p { margin-top: 4px; }

/* ===== Modal ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  animation: fadeIn 200ms ease;
}
.modal-backdrop[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  width: min(960px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  padding: 24px 28px 28px;
  animation: slideUp 280ms cubic-bezier(.16, 1, .3, 1);
}
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.modal-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.modal-header h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.modal-sub {
  font-size: 12px;
  color: var(--text-soft);
  font-weight: 500;
  margin-top: 2px;
}
.modal-close {
  background: var(--surface-2);
  border: 1px solid var(--border);
  width: 36px; height: 36px;
  border-radius: 10px;
  display: grid; place-items: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}
.modal-close:hover {
  background: var(--down-soft);
  color: var(--down);
  border-color: var(--down-bg);
}

.modal-price-row {
  display: flex; align-items: baseline; gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.modal-price-main { display: flex; align-items: baseline; gap: 6px; }
.modal-price {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.modal-currency {
  font-size: 14px;
  color: var(--text-soft);
  font-weight: 600;
}
.modal-change {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
}
.modal-change.up   { background: var(--up-bg);   color: var(--up); }
.modal-change.down { background: var(--down-bg); color: var(--down); }
.modal-change.flat { background: var(--neutral-bg); color: var(--text-soft); }

.modal-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.stat-cell {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.stat-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 2px;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.range-selector {
  display: flex; gap: 4px;
  margin-bottom: 14px;
  padding: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: fit-content;
  flex-wrap: wrap;
}
.range-btn {
  border: none;
  background: transparent;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
  border-radius: 7px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}
.range-btn:hover { color: var(--text); background: rgba(15,23,42,0.04); }
.range-btn.active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow-xs);
}

.chart-container {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  height: 380px;
}
#chartCanvas { width: 100% !important; height: 100% !important; }

.chart-loading {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(2px);
  font-size: 13px; font-weight: 500;
  color: var(--text-soft);
  border-radius: var(--radius-md);
}
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.chart-error {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--down);
  font-size: 14px; font-weight: 500;
  text-align: center; padding: 20px;
}

.chart-tooltip {
  position: absolute;
  background: var(--text);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  pointer-events: none;
  transform: translate(-50%, -100%);
  z-index: 10;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}
.chart-tooltip::after {
  content: '';
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--text);
}

.modal-source {
  margin-top: 12px;
  font-size: 11px;
  color: var(--text-faint);
  font-weight: 500;
}

/* ===== Loading Skeleton ===== */
.card.skeleton .card-title,
.card.skeleton .card-symbol,
.card.skeleton .card-price,
.card.skeleton .card-change {
  color: transparent;
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--bg-soft) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: 4px;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== Responsive ===== */
@media (max-width: 720px) {
  .topbar-inner { padding: 12px 16px; flex-wrap: wrap; }
  .brand h1 { font-size: 16px; }
  .container { padding: 18px 16px; }
  .cards-grid { grid-template-columns: 1fr; }
  .modal { padding: 18px; }
  .modal-header h3 { font-size: 18px; }
  .modal-price { font-size: 26px; }
  .chart-container { height: 280px; }
  .last-update { display: none; }
}

/* ===== Chart-Klicks durchlassen ===== */
/* Verhindert, dass das Chart-Canvas in Karten Klicks abfängt,
   damit der Klick auf die Karte darunter durchgeht und das Modal öffnet. */
.card-chart {
  pointer-events: none;
}