/* =============== Design Tokens (Light & Dark) =============== */
:root {
  /* Light Mode Farben */
  --bg: #ffffff;
  --card: #ffffff;
  --muted: #f5f7fa;
  --text: #1b1f24;
  --text-dim: #5f6b7a;
  --brand: #1f9e74;        /* gedecktes Grün */
  --brand-600: #178a65;
  --border: #e5e9ef;
  --input-bg: #ffffff;
  --table-hover: #fafbfc;
  --tag-bg: #f2f5f9;
  --header-bg: rgba(255,255,255,0.9);
  --shadow: 0 8px 20px rgba(20, 30, 50, 0.06);

  /* Typography */
  --fs-12: 12px;
  --fs-13: 13px;
  --fs-14: 14px;
  --fs-16: 16px;

  /* Layout */
  --radius: 10px;
  --radius-sm: 8px;
  
  /* Transitions for smooth mode switching */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============== Dark Mode =============== */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;           /* Slate 900 */
    --card: #1e293b;         /* Slate 800 */
    --muted: #334155;        /* Slate 700 */
    --text: #f8fafc;         /* Slate 50 */
    --text-dim: #cbd5e1;     /* Slate 300 */
    --brand: #22c55e;        /* Grün heller für Dark Mode */
    --brand-600: #16a34a;    /* Grün-600 für Dark Mode */
    --border: #475569;       /* Slate 600 */
    --input-bg: #334155;     /* Slate 700 */
    --table-hover: #2d3748;  /* Slate 800 etwas heller */
    --tag-bg: #475569;       /* Slate 600 */
    --header-bg: rgba(15, 23, 42, 0.9); /* Slate 900 transparent */
    --shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  }
}

/* Manual Dark Mode Override (hat Priorität über prefers-color-scheme) */
[data-theme="dark"] {
  --bg: #0f172a;
  --card: #1e293b;
  --muted: #334155;
  --text: #f8fafc;
  --text-dim: #cbd5e1;
  --brand: #22c55e;
  --brand-600: #16a34a;
  --border: #475569;
  --input-bg: #334155;
  --table-hover: #2d3748;
  --tag-bg: #475569;
  --header-bg: rgba(15, 23, 42, 0.9);
  --shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Manual Light Mode Override */
[data-theme="light"] {
  --bg: #ffffff;
  --card: #ffffff;
  --muted: #f5f7fa;
  --text: #1b1f24;
  --text-dim: #5f6b7a;
  --brand: #1f9e74;
  --brand-600: #178a65;
  --border: #e5e9ef;
  --input-bg: #ffffff;
  --table-hover: #fafbfc;
  --tag-bg: #f2f5f9;
  --header-bg: rgba(255,255,255,0.9);
  --shadow: 0 8px 20px rgba(20, 30, 50, 0.06);
}

/* =============== Base =============== */
* { 
  box-sizing: border-box; 
  transition: var(--transition); /* Smooth transitions für alle Elemente */
}

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 var(--fs-14)/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color var(--transition), color var(--transition);
}

.container{
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 16px 0 16px;
}

/* =============== Header =============== */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: saturate(130%) blur(8px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition), border-color var(--transition);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap: 12px; padding: 10px 0;
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.site-logo{
  /* Logo deutlich sichtbar machen */
  height: 32px !important;
  max-height: 32px !important;
  width: auto !important;
  display: block;
  object-fit: contain;
  /* Dark Mode Inversion für Logo falls nötig */
  filter: var(--logo-filter, none);
}
.brand-text{
  color: var(--text);
  font-weight: 700;
  letter-spacing: .2px;
  font-size: var(--fs-14);
  transition: color var(--transition);
}
.nav{ display:flex; gap:8px; }
.nav-link{
  color: var(--text-dim);
  text-decoration:none; padding:6px 8px; border-radius: 6px;
  font-size: var(--fs-13);
  transition: color var(--transition), background-color var(--transition);
}
.nav-link:hover{ color: var(--text); background: var(--muted); }

/* =============== Footer =============== */
.site-footer{
  margin-top: 40px; border-top:1px solid var(--border);
  padding: 18px 0; color: var(--text-dim);
  font-size: var(--fs-12);
}

/* =============== Cards / Panels =============== */
.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.card-header{
  padding: 16px 20px;
  border-bottom:1px solid var(--border);
  font-weight: 600;
  font-size: var(--fs-14);
  margin: -20px -20px 20px -20px;
}
.card-body{ padding: 20px; }

/* =============== Buttons – klein & präzise =============== */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap: 8px;
  height: 28px;
  padding: 0 10px;
  border-radius: 7px;
  border:1px solid var(--border);
  background: var(--muted);
  color: var(--text);
  font-size: var(--fs-13);
  text-decoration:none;
  cursor:pointer;
}
.btn:hover{ filter: brightness(0.98); }
.btn:active{ transform: translateY(1px); }

.btn-primary{
  background: var(--brand);
  border-color: var(--brand);
  color:#fff;
}
.btn-primary:hover{ background: var(--brand-600); border-color: var(--brand-600); }
.btn-danger{
  background: #cf3d44;
  border-color: #cf3d44;
  color: #fff;
}
.btn-link{
  background: transparent;
  border-color: transparent;
  color: var(--brand);
  padding: 0 4px;
}
.btn-link:hover{ color: var(--brand-600); }

/* =============== Forms =============== */
.input, .select, .textarea{
  width: 100%;
  background: var(--input-bg);
  border:1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: var(--fs-13);
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.input:focus, .select:focus, .textarea:focus{
  outline: 0;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(31,158,116,.15);
}

/* Dark Mode Focus Ring */
@media (prefers-color-scheme: dark) {
  .input:focus, .select:focus, .textarea:focus{
    box-shadow: 0 0 0 3px rgba(34,197,94,.25);
  }
}

[data-theme="dark"] .input:focus, 
[data-theme="dark"] .select:focus, 
[data-theme="dark"] .textarea:focus{
  box-shadow: 0 0 0 3px rgba(34,197,94,.25);
}

.textarea{ min-height: 120px; resize: vertical; }

/* =============== Tables (kompakt) =============== */
.table{
  width:100%;
  border-collapse: collapse;
  font-size: var(--fs-13);
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background-color var(--transition), border-color var(--transition);
}
.table th, .table td{
  padding: 8px 10px;
  border-bottom:1px solid var(--border);
  vertical-align: top;
  transition: border-color var(--transition), background-color var(--transition);
}
.table th{
  color: var(--text-dim); 
  font-weight: 600; 
  text-align: left;
  background: var(--muted);
  transition: color var(--transition), background-color var(--transition);
}
.table tr:hover td{ 
  background: var(--table-hover); 
}

/* =============== Utilities =============== */
.row{ display:flex; gap:12px; align-items: stretch; }
.col{ flex:1 1 0; }
.col-fixed{ flex:0 0 auto; }
.muted{ color: var(--text-dim); }
.grid{
  display:grid; gap:12px;
  grid-template-columns: 1fr 1fr;
}

/* =============== Mobile Responsive Breakpoints =============== */
@media (max-width: 880px){
  .grid{ grid-template-columns: 1fr; }
}

/* Mobile-first improvements für bessere UX */
@media (max-width: 768px) {
  /* Container auf mobil enger */
  .container {
    padding: 24px 12px 0 12px;
  }
  
  /* Rows werden zu Spalten auf mobil */
  .row {
    flex-direction: column;
    gap: 8px;
  }
  
  /* Header kompakter */
  .header-inner {
    padding: 8px 0;
  }
  
  .brand-text {
    font-size: var(--fs-13);
  }
  
  /* Navigation gestapelt */
  .nav {
    flex-direction: column;
    gap: 4px;
  }
  
  /* Cards weniger Padding */
  .card {
    padding: 16px;
  }
  
  .card-header {
    margin: -16px -16px 16px -16px;
    padding: 12px 16px;
  }
  
  .card-body {
    padding: 16px;
  }
  
  /* Buttons größere Touch-Targets */
  .btn {
    height: 40px;
    padding: 0 16px;
    font-size: var(--fs-14);
  }
  
  /* Form-Elemente größer für Touch */
  .input, .select, .textarea {
    padding: 12px;
    font-size: 16px; /* Verhindert Zoom auf iOS */
  }
  
  /* Tabellen responsiv machen */
  .table {
    font-size: var(--fs-12);
  }
  
  .table th, .table td {
    padding: 6px 8px;
  }
  
  /* Verstecke weniger wichtige Spalten auf mobil */
  .table .hide-mobile {
    display: none;
  }
}

/* Extra kleine Bildschirme */
@media (max-width: 480px) {
  .container {
    padding: 20px 8px 0 8px;
  }
  
  /* Noch kompaktere Abstände */
  .row {
    gap: 6px;
  }
  
  .card {
    padding: 12px;
  }
  
  .card-header {
    margin: -12px -12px 12px -12px;
    padding: 10px 12px;
  }
  
  .card-body {
    padding: 12px;
  }
  
  /* Navigation horizontal auf sehr kleinen Bildschirmen */
  .nav {
    flex-direction: row;
    gap: 6px;
    flex-wrap: wrap;
  }
  
  .nav-link {
    padding: 8px 10px;
    font-size: var(--fs-12);
  }
}

/* =============== Content spacing =============== */
main.container{ padding-top: 18px; }
section + section{ margin-top: 16px; }

/* =============== Images default =============== */
img{ max-width:100%; height:auto; }

/* =============== Tags =============== */
.tag{
  display:inline-block; padding:2px 6px; margin:0 6px 6px 0;
  background: var(--tag-bg); 
  border:1px solid var(--border); 
  color: var(--text-dim);
  border-radius: 999px; 
  font-size: 12px;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

/* =============== Dark Mode Toggle Button =============== */
.theme-toggle {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--border);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  box-shadow: var(--shadow);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  user-select: none;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.theme-toggle:active {
  transform: scale(0.95);
}

/* Theme Toggle Icons */
.theme-toggle::before {
  content: "🌙";
  transition: opacity var(--transition);
}

[data-theme="dark"] .theme-toggle::before {
  content: "☀️";
}

/* Auto-hide auf Mobile um Platz zu sparen */
@media (max-width: 768px) {
  .theme-toggle {
    width: 44px;
    height: 44px;
    bottom: 16px;
    left: 16px;
    font-size: 18px;
  }
}

/* =============== Dark Mode Specific Adjustments =============== */

/* Logo Inversion für Dark Mode falls nötig */
@media (prefers-color-scheme: dark) {
  :root {
    --logo-filter: brightness(0) invert(1);
  }
}

[data-theme="dark"] {
  --logo-filter: brightness(0) invert(1);
}

/* Scrollbar Dark Mode */
@media (prefers-color-scheme: dark) {
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  ::-webkit-scrollbar-track {
    background: var(--muted);
  }

  ::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
  }
}

[data-theme="dark"] ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--muted);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* =============== Headings compact =============== */
.h1{
  font-size: 18px; font-weight: 700; margin: 8px 0 12px;
}
.h2{
  font-size: 15px; font-weight: 600; margin: 10px 0 8px; color: var(--text-dim);
}
/* Entferne leere Elemente, die sonst wie weiße Boxen aussehen */
.card .card-body > :empty {
  display: none !important;
}

/* Statuszeile: sicher kein Input-Look */
#reanalyzeStatus {
  padding: 0;
  background: none;
  border: 0;
  min-height: 0;
}

/* Keine extra Abstände am Ende der Aktionen-Card */
.card .card-body form { margin: 0; }
.card .card-body > *:last-child { margin-bottom: 0; }
/* Grid-Layout: Cards nicht auf gleiche Höhe strecken */
.grid,
.grid.grid-3 {
  align-items: start;        /* statt stretch */
}

/* Cards sollen ihre natürliche Höhe haben */
.card {
  height: auto;              /* falls irgendwo min-height o.ä. geerbt wurde */
}

/* Sicherheit: Aktionen-Card darf sich nicht strecken */
.card--no-stretch {
  align-self: start;
}
/* Grid sauber definieren: 3 Spalten + top-align */
.grid.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr; /* Mitte breiter, ändere nach Geschmack */
  gap: 12px;
  align-items: start;        /* nix strecken */
}

/* Karten sollen NICHT zusätzlich nach unten drücken */
.grid.grid-3 > .card {
  margin: 0;                 /* falls irgendwo margin-top reingerutscht ist */
  align-self: start;         /* jede Card explizit nach oben */
}

/* Safety: kein min-height oder verstecktes Strecken */
.card {
  height: auto;
  min-height: 0;
}