/* ==========================================================================
   1. VARIABLEN & THEMES
   ========================================================================== */
:root {
  --accent: #2ecc71;
  --accent-red: #ff4757;
  --accent-blue: #3498db;
  --transition: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  /* Header Höhe wird nun dynamisch berechnet */
}

body.dark-mode {
  --bg: #0a0c10;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.1);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --input-bg: rgba(0, 0, 0, 0.3);
}

body.light-mode {
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --input-bg: #f1f5f9;
}

/* ==========================================================================
   2. RESET & BASIS STYLES
   ========================================================================== */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Plus Jakarta Sans", sans-serif;
  display: flex;
  flex-direction: column; /* Geändert für Sticky Header */
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Input Spin-Buttons entfernen */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}

/* ==========================================================================
   3. GLOBAL UI ELEMENTS (GLOW, TOPBAR)
   ========================================================================== */
.ambient-glow {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  filter: blur(120px);
  opacity: 0.12;
  z-index: -1;
  pointer-events: none;
}

/* NEUER STICKY HEADER */
.top-bar {
  position: sticky;
  top: 10px; /* Kleiner Abstand oben für Floating Look */
  width: calc(100% - 20px);
  max-width: 1100px;
  margin: 10px auto;
  padding: 12px 20px;
  background: var(--card-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.glass-btn {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  color: var(--text);
  font-size: 1.2rem;
  transition: var(--transition);
}

.glass-btn:hover {
  background: var(--card-border);
}

.lang-flags {
  display: flex;
  gap: 10px;
  background: var(--input-bg);
  padding: 8px 12px;
  border-radius: 14px;
  border: 1px solid var(--card-border);

  /* Mobile: Erlaubt Wischen */
  overflow-x: auto;
  scrollbar-width: thin; /* Zeigt eine feine Scrollbar in Firefox */
  scrollbar-color: var(--accent) transparent;
}

.lang-flags::-webkit-scrollbar {
  display: none;
}

.flag-btn {
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.7;
  transition:
    transform 0.2s,
    opacity 0.2s;
  flex-shrink: 0;
}

.flag-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}
.flag-btn img {
  width: 22px;
  height: 16px;
  object-fit: cover;
  border-radius: 3px;
  display: block;
}

/* ==========================================================================
   4. LAYOUT STRUCTURE (DASHBOARD)
   ========================================================================== */
.dashboard {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1100px;
  gap: 30px;
  padding: 20px 15px 40px;
  align-items: center;
  /* Dies sorgt dafür, dass der Content horizontal zentriert bleibt */
  margin: 0 auto;
}

/* ==========================================================================
   5. TIMER DISPLAY AREA
   ========================================================================== */
.timer-circle-container {
  position: relative;
  width: clamp(260px, 75vw, 400px);
  height: clamp(260px, 75vw, 400px);
  margin: 0 auto;
}

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

circle {
  fill: none;
  stroke-width: 8;
}
.circle-bg {
  stroke: var(--card-border);
}
.circle-progress {
  stroke: var(--accent);
  stroke-dasharray: 628.3;
  stroke-dashoffset: 0;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
}

.timer-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

#timer-text {
  font-size: clamp(3.5rem, 12vw, 6.5rem);
  font-weight: 800;
  margin: 0;
  letter-spacing: -2px;
}

#status-text {
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 4px;
  text-transform: uppercase;
  font-size: 0.75rem;
  margin-bottom: 5px;
}

#exercise-name-display {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.label-rounds {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Timer Buttons */
.action-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
}

.main-cta,
.apply-cta {
  border: none;
  font-weight: 800;
  cursor: pointer;
  transition: var(--transition);
}

.main-cta {
  background: var(--accent);
  color: white;
  padding: 16px 50px;
  border-radius: 9999px;
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.main-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px -5px rgba(46, 204, 113, 0.4);
}

.icon-circle-btn {
  width: 55px;
  height: 55px;
  border: none;
  border-radius: 50%;
  background-color: var(--accent-red);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.icon-circle-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-3px) rotate(90deg);
}

/* ==========================================================================
   6. CONFIGURATION AREA (CARDS & INPUTS)
   ========================================================================== */
.config-area {
  width: 100%;
  max-width: 500px;
}

.section-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 24px;
  margin-bottom: 20px;
}

.section-card h2 {
  margin-top: 0;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 15px;
}

.exercise-input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  padding: 14px;
  border-radius: 12px;
  color: var(--text);
  margin-bottom: 12px;
  outline: none;
  font-family: inherit;
}

.input-grid-modern {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.input-box {
  background: var(--input-bg);
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
}

.input-box label {
  font-size: 0.6rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.step-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: none;
  background: var(--card-border);
  color: var(--text);
  cursor: pointer;
  font-weight: bold;
}

.step-btn:hover {
  background: var(--accent);
  color: white;
}

.stepper input {
  background: transparent;
  border: none;
  color: var(--accent);
  font-weight: 800;
  width: 35px;
  text-align: center;
  outline: none;
  font-size: 1rem;
}

.button-row {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

.apply-cta {
  flex: 1;
  padding: 16px;
  border-radius: 12px;
  background: var(--text);
  color: var(--bg);
  font-size: 0.9rem;
}

.save-btn {
  width: 50px;
  border-radius: 12px;
  background: var(--card-border);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   7. PLANS LIST & ITEMS
   ========================================================================== */
.plans-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 5px;
}

.plan-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--input-bg);
  padding: 12px 16px;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.plan-item:hover {
  border-color: var(--accent);
  transform: translateX(3px);
}

/* ==========================================================================
   8. MEDIA QUERIES (RESPONSIVE)
   ========================================================================== */

/* Tablet & Desktop */
@media (min-width: 1024px) {
  .dashboard {
    flex-direction: row;
    align-items: center; /* Zentriert den Inhalt vertikal zueinander */
    justify-content: center; /* Zentriert die beiden Blöcke (Timer & Config) in der Mitte des Bildschirms */
    gap: 80px; /* Erhöhter Abstand zwischen Timer und Einstellungen auf großen Screens */
    padding-top: 40px;
    min-height: calc(
      100vh - 120px
    ); /* Nutzt die restliche Höhe, um den Content auch vertikal im Viewport zu mitteln */
  }

  .timer-display-area {
    flex: 0 1 auto; /* Verhindert, dass der Timer-Bereich zu breit wird */
  }

  .config-area {
    flex: 0 1 450px; /* Gibt der Konfiguration eine feste angenehme Breite */
  }

  .lang-flags {
    overflow-x: visible; /* Kein Scrollen nötig */
    flex-wrap: wrap; /* Flaggen springen in nächste Zeile, wenn zu viele */
    max-width: 280px; /* Etwas mehr Breite für Laptop-Layout */
    justify-content: center;
  }

  /* Macht die Scrollbar in Chrome/Edge/Safari auf dem Laptop sichtbar, aber dezent */
  .lang-flags::-webkit-scrollbar {
    height: 4px; /* Sehr flache Scrollbar unten */
    display: block;
  }

  .lang-flags::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 10px;
  }

  .lang-flags::-webkit-scrollbar-thumb:hover {
    background: var(--accent); /* Wird grün, wenn man drüber fährt */
  }
}

/* Mobile Optimierungen */
@media (max-width: 600px) {
  .top-bar {
    padding: 10px 15px;
  }

  .lang-flags {
    max-width: 140px; /* Weniger Platz für Flaggen auf kleinsten Geräten */
  }

  .main-cta {
    padding: 16px 35px;
    font-size: 1rem;
  }
}