/* ═══════════════════════════════════════════════════════════════════════════ */
/* i'puls — Design System                                                    */
/* ═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* ── i'5.D Design System: 90/10-Prinzip ── */
  --color-bg: #F7F7F5;
  --color-bg-card: #FFFFFF;
  --color-bg-hover: #EDEDED;
  --color-surface: #FFFFFF;
  --color-border: #D4D4D4;
  --color-text: #2D2D2D;
  --color-text-muted: #6B7280;

  /* Petrol führt */
  --color-primary: #006E73;
  --color-primary-hover: #005A5E;
  --color-primary-light: rgba(0,110,115,.08);

  /* Ampel-Indikatoren */
  --color-success: #22A653;
  --color-warning: #E5A100;
  --color-danger: #C0392B;

  /* Säulenfarben */
  --color-gold: #FCC23A;
  --color-sanitaer: #C0392B;
  --color-qm: #4F5A65;
  --color-umwelt: #2E7058;

  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.04);
  --transition: 150ms ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Logo Image ─────────────────────────────────────────────────────────── */

.logo-img {
  height: 32px;
  width: auto;
}

.logo-img-sm { height: 24px; }
.logo-img-lg { height: 48px; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

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

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-success { background: var(--color-success); color: #fff; }

.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ─── Landing Header ──────────────────────────────────────────────────────── */

.landing-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.landing-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.5px;
}

.landing-header nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.landing-header nav a {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
}
.landing-header nav a:hover { color: var(--color-text); }

/* ─── Hero ────────────────────────────────────────────────────────────────── */

.hero {
  padding: 160px 0 100px;
  text-align: center;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg) 100%);
}

.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-sub {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Features ────────────────────────────────────────────────────────────── */

.features {
  padding: 100px 0;
}

.features h2, .system-section h2, .contact-section h2 {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ─── System Section ──────────────────────────────────────────────────────── */

.system-section {
  padding: 80px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.system-section p {
  max-width: 720px;
  margin: 0 auto 16px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 16px;
}

/* ─── Kontakt ─────────────────────────────────────────────────────────────── */

.contact-section {
  padding: 80px 0;
  text-align: center;
}

.contact-section p { color: var(--color-text-muted); }

.contact-email {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary) !important;
  margin-top: 16px;
}

/* ─── Footer ──────────────────────────────────────────────────────────────── */

footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* App-Layout (nach Login)                                                    */
/* ═══════════════════════════════════════════════════════════════════════════ */

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ─────────────────────────────────────────────────────────────── */

.sidebar {
  width: 260px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
  transition: transform var(--transition);
}

.sidebar-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-header .logo { font-size: 20px; }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  padding: 0 12px;
  margin-bottom: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}

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

.nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.nav-icon { font-size: 18px; width: 24px; text-align: center; }

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ─── Main Content ────────────────────────────────────────────────────────── */

.app-main {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  min-height: 100vh;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-top: 4px;
}

/* ─── Cards & Stats ───────────────────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ─── Tables ──────────────────────────────────────────────────────────────── */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

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

/* ─── Badges ──────────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success { background: rgba(34,166,83,.1); color: var(--color-success); }
.badge-warning { background: rgba(229,161,0,.1); color: var(--color-warning); }
.badge-danger { background: rgba(192,57,43,.1); color: var(--color-danger); }
.badge-info { background: var(--color-primary-light); color: var(--color-primary); }
.badge-muted { background: rgba(107,114,128,.1); color: var(--color-text-muted); }

/* Säulen-Badges */
.badge-raumluft { background: rgba(0,110,115,.1); color: var(--color-primary); }
.badge-glanzpunkte { background: rgba(252,194,58,.15); color: #9A7400; }
.badge-sanitaer { background: rgba(192,57,43,.1); color: var(--color-sanitaer); }
.badge-qm { background: rgba(79,90,101,.1); color: var(--color-qm); }

/* ─── Forms ───────────────────────────────────────────────────────────────── */

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}

.form-input, .form-select {
  width: 100%;
  padding: 10px 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--transition);
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,110,115,.15);
}

/* ─── Login ───────────────────────────────────────────────────────────────── */

.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 400px;
}

.login-card .logo {
  text-align: center;
  font-size: 28px;
  margin-bottom: 32px;
}

.login-error {
  background: rgba(192,57,43,.08);
  border: 1px solid rgba(192,57,43,.25);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--color-danger);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .app-main {
    margin-left: 0;
    padding: 16px;
  }
  .landing-header nav a:not(.btn) {
    display: none;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 28px; }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .login-card { padding: 32px 24px; }
}

/* ─── Language Selector ─────────────────────────────────────────────────────── */

/* ─── Language Selector (Compact Dropdowns) ────────────────────────────────── */

.lang-selector-compact {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lang-select {
  appearance: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 5px 24px 5px 8px;
  font-family: inherit;
  font-size: 13px;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236B7280'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  min-width: 0;
  max-width: 160px;
}

.lang-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.lang-select-bi {
  border-style: dashed;
  opacity: 0.7;
}

.lang-select-bi:focus,
.bilingual .lang-select-bi {
  opacity: 1;
  border-color: var(--color-gold);
  border-style: solid;
}

/* ─── Säulen-Farbleisten (Kartenakzent oben) ─────────────────────────────── */

.card-accent-raumluft { border-top: 3px solid var(--color-primary); }
.card-accent-glanzpunkte { border-top: 3px solid var(--color-gold); }
.card-accent-sanitaer { border-top: 3px solid var(--color-sanitaer); }
.card-accent-qm { border-top: 3px solid var(--color-qm); }
.card-accent-umwelt { border-top: 3px solid var(--color-umwelt); }

/* ─── Ampel-Dots ─────────────────────────────────────────────────────────── */

.ampel-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
}
.ampel-gruen { background: var(--color-success); }
.ampel-gelb { background: var(--color-warning); }
.ampel-rot { background: var(--color-danger); }

/* ─── Bilingual Currency ─────────────────────────────────────────────────── */

.currency-second {
  font-size: 0.8em;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-left: 4px;
}

/* ─── Bilingual Mode ─────────────────────────────────────────────────────── */

.i18n-second {
  display: block;
  font-size: 0.75em;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: 2px;
  line-height: 1.4;
}

.i18n-second-inline {
  font-size: 0.8em;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-left: 4px;
}

.i18n-second-inline::before {
  content: '· ';
}

/* Bilingual-Toggle Buttons */
.bilingual-toggle {
  display: inline-flex;
  margin-left: 4px;
  border-left: 1px solid var(--color-border);
  padding-left: 4px;
}

.lang-btn-bi {
  font-size: 16px !important;
  padding: 2px 4px !important;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.lang-btn-bi:hover { opacity: 0.8; }

.lang-active-bi {
  opacity: 1 !important;
  border-color: var(--color-gold) !important;
  background: rgba(252,194,58,.1);
}

/* ─── Settings Page ──────────────────────────────────────────────────────── */

.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-label {
  font-size: 13px;
  color: var(--color-text-muted);
  min-width: 160px;
}

.settings-value {
  font-size: 14px;
  text-align: right;
}

@media (max-width: 480px) {
  .settings-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .settings-value { text-align: left; }
}

/* ─── RTL Support (Arabic, Hebrew) ───────────────────────────────────────── */

html[dir="rtl"] body { text-align: right; }
html[dir="rtl"] .sidebar { left: auto; right: 0; border-right: none; border-left: 1px solid var(--color-border); }
html[dir="rtl"] .app-main { margin-left: 0; margin-right: 260px; }
html[dir="rtl"] .nav-item { flex-direction: row-reverse; }
html[dir="rtl"] .nav-icon { margin-left: 12px; margin-right: 0; }
html[dir="rtl"] .sidebar-footer a { float: left; }
html[dir="rtl"] .page-header { flex-direction: row-reverse; }
html[dir="rtl"] .landing-header .container { flex-direction: row-reverse; }
html[dir="rtl"] .hero-actions { flex-direction: row-reverse; }
html[dir="rtl"] .i18n-second-inline::before { content: ' · '; }

@media (max-width: 768px) {
  html[dir="rtl"] .sidebar { transform: translateX(100%); }
  html[dir="rtl"] .sidebar.open { transform: translateX(0); }
  html[dir="rtl"] .app-main { margin-right: 0; }
}