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

:root {
  /* === Colors === */
  --accent: #e65100;
  --accent-dark: #bf360c;
  --accent-glow: #ff6d00;
  --red: #e65100;
  --red-dark: #bf360c;
  --green: #27ae60;
  --green-light: #ecfff1;
  --yellow: #f39c12;
  --blue: #5dade2;
  --blue-light: #d7eeff;
  --white: #ffffff;
  --black: #000000;

  /* === Backgrounds === */
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-input: #1e1e1e;
  --bg-elevated: #1a1a1a;
  --bg-overlay: rgba(0, 0, 0, 0.7);

  /* === Surfaces (white transparency layers) === */
  --surface-1: rgba(255, 255, 255, 0.02);
  --surface-2: rgba(255, 255, 255, 0.04);
  --surface-3: rgba(255, 255, 255, 0.06);
  --surface-4: rgba(255, 255, 255, 0.08);
  --surface-5: rgba(255, 255, 255, 0.10);
  --surface-6: rgba(255, 255, 255, 0.14);
  --surface-7: rgba(255, 255, 255, 0.18);
  --surface-8: rgba(255, 255, 255, 0.24);

  /* === Accent transparencies === */
  --accent-5: rgba(230, 81, 0, 0.05);
  --accent-8: rgba(230, 81, 0, 0.08);
  --accent-10: rgba(230, 81, 0, 0.10);
  --accent-12: rgba(230, 81, 0, 0.12);
  --accent-18: rgba(230, 81, 0, 0.18);
  --accent-20: rgba(230, 81, 0, 0.20);
  --accent-35: rgba(230, 81, 0, 0.35);
  --accent-40: rgba(230, 81, 0, 0.40);

  /* === Status & Semantic Colors === */
  --status-success: rgba(39, 174, 96, 0.15);
  --status-success-strong: rgba(39, 174, 96, 0.34);
  --status-success-border: rgba(39, 174, 96, 0.28);
  --status-success-bg: rgba(39, 174, 96, 0.08);
  --status-success-bar: rgba(39, 174, 96, 0.4);
  --status-success-gradient-start: rgba(39, 174, 96, 0.08);
  --status-success-gradient-end: rgba(39, 174, 96, 0.22);
  --status-success-gradient-active-start: rgba(39, 174, 96, 0.18);
  --status-success-gradient-active-end: rgba(39, 174, 96, 0.36);
  --status-info: rgba(52, 152, 219, 0.16);
  --status-info-border: rgba(52, 152, 219, 0.35);
  --status-info-bar: rgba(52, 152, 219, 0.42);
  --status-info-bar-strong: rgba(52, 152, 219, 0.8);
  --status-info-line-glow: rgba(241, 196, 15, 0.28);
  --status-info-stroke: rgba(125, 199, 255, 0.45);
  --status-warning-bg: rgba(243, 156, 18, 0.1);
  --status-warning-border: rgba(243, 156, 18, 0.25);
  --status-healthy-border: rgba(58, 185, 107, 0.24);
  --status-healthy-glow: rgba(58, 185, 107, 0.12);
  --status-degraded-border: rgba(255, 179, 71, 0.28);
  --status-degraded-glow: rgba(255, 179, 71, 0.12);
  --status-down-border: rgba(229, 83, 75, 0.32);
  --status-down-glow: rgba(229, 83, 75, 0.12);
  --scanner-active: rgba(34, 197, 94, 0.28);
  --scanner-active-border: rgba(34, 197, 94, 0.56);
  --scanner-active-strong: rgba(34, 197, 94, 0.3);
  --scanner-glow: rgba(22, 163, 74, 0.98);
  --scanner-glow-soft: rgba(34, 197, 94, 0.7);
  --scanner-glow-end: rgba(34, 197, 94, 0);
  --scanner-scanline: rgba(22, 163, 74, 0.95);
  --overlay-dark: rgba(0, 0, 0, 0.72);
  --overlay-dark-strong: rgba(0, 0, 0, 0.84);
  --overlay-dark-deep: rgba(0, 0, 0, 0.96);
  --overlay-dark-shadow: rgba(0, 0, 0, 0.35);
  --overlay-dark-inset: rgba(0, 0, 0, 0.34);
  --overlay-light: rgba(255, 255, 255, 0.92);
  --overlay-light-strong: rgba(255, 255, 255, 0.96);
  --overlay-light-bg: rgba(255, 255, 255, 0.88);
  --overlay-light-soft: rgba(255, 255, 255, 0.72);
  --overlay-light-muted: rgba(255, 255, 255, 0.25);
  --overlay-light-subtle: rgba(255, 255, 255, 0.16);
  --overlay-light-text: rgba(255, 255, 255, 0.9);
  --scanner-panel-bg: rgba(12, 12, 14, 0.62);
  --scanner-panel-soft: rgba(12, 12, 14, 0.52);
  --scanner-panel-text: rgba(255, 255, 255, 0.72);
  --scanner-crop-fill: rgba(84, 190, 255, 0.20);
  --scanner-crop-stroke: rgba(154, 221, 255, 0.96);
  --scanner-crop-shadow: rgba(0, 0, 0, 0.72);
  --scanner-captured-bg: rgba(0, 0, 0, 0.72);
  --scanner-btn-remove-bg: rgba(0, 0, 0, 0.42);
  --scanner-photo-border: rgba(255, 255, 255, 0.96);
  --scanner-photo-bg: rgba(255, 255, 255, 0.88);
  --scanner-photo-shadow: 0 0 0 4px rgba(0, 0, 0, 0.34) inset, 0 8px 28px rgba(0, 0, 0, 0.35);
  --badge-glow: rgba(230, 81, 0, 0.3);
  --badge-glow-strong: rgba(230, 81, 0, 0.4);
  --badge-glow-soft: rgba(230, 81, 0, 0.25);
  --badge-glow-card: rgba(230, 81, 0, 0.35);
  --accent-chart-bar: rgba(230, 81, 0, 0.55);
  --accent-label-bg: rgba(230, 81, 0, 0.24);
  --accent-label-saving: rgba(230, 81, 0, 0.28);
  --dienstplan-past-gradient: linear-gradient(135deg, rgba(148, 163, 184, 0.12), rgba(203, 213, 225, 0.08));
  --dienstplan-past-border: rgba(148, 163, 184, 0.2);
  --scanner-placeholder-bg: linear-gradient(180deg, rgba(15, 15, 15, 0.96), rgba(28, 16, 0, 0.98));
  --field-row-border: rgba(230, 81, 0, 0.06);
  --layout-hero-gradient: linear-gradient(180deg, rgba(10,10,10,0.18) 0%, rgba(10,10,10,0.42) 35%, rgba(10,10,10,0.72) 100%);
  --layout-hero-radial: radial-gradient(circle at top, rgba(230,81,0,0.16), transparent 42%);
  --shadow-knob: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-modal: 0 12px 28px rgba(0,0,0,0.22);
  --shadow-scanner-controls: 0 8px 22px rgba(0,0,0,0.24);
  --text-hint-shadow: 0 1px 2px rgba(0,0,0,0.35);
  --scanner-bottom-gradient: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,0.84) 35%, rgba(0,0,0,0.96));

  /* === Chip & Tone Colors (Personal) === */
  --tone-0-bg: linear-gradient(90deg, rgba(230,81,0,0.10), var(--surface-2));
  --tone-0-border: rgba(230,81,0,0.26);
  --tone-1-bg: linear-gradient(90deg, rgba(125,199,255,0.10), var(--surface-2));
  --tone-1-border: rgba(125,199,255,0.24);
  --tone-2-bg: linear-gradient(90deg, rgba(126,211,33,0.10), var(--surface-2));
  --tone-2-border: rgba(126,211,33,0.24);
  --tone-3-bg: linear-gradient(90deg, rgba(255,179,71,0.10), var(--surface-2));
  --tone-3-border: rgba(255,179,71,0.24);
  --tone-4-bg: linear-gradient(90deg, rgba(255,99,132,0.10), var(--surface-2));
  --tone-4-border: rgba(255,99,132,0.24);
  --chip-fn-0-bg: rgba(230,81,0,0.16);
  --chip-fn-0-border: rgba(230,81,0,0.42);
  --chip-fn-1-bg: rgba(125,199,255,0.16);
  --chip-fn-1-border: rgba(125,199,255,0.4);
  --chip-fn-2-bg: rgba(126,211,33,0.16);
  --chip-fn-2-border: rgba(126,211,33,0.4);
  --chip-fn-3-bg: rgba(255,179,71,0.16);
  --chip-fn-3-border: rgba(255,179,71,0.45);
  --chip-fn-4-bg: rgba(255,99,132,0.16);
  --chip-fn-4-border: rgba(255,99,132,0.45);
  --chip-dept-0-bg: rgba(52,152,219,0.18);
  --chip-dept-0-border: rgba(52,152,219,0.45);
  --chip-dept-1-bg: rgba(46,204,113,0.18);
  --chip-dept-1-border: rgba(46,204,113,0.45);
  --chip-dept-2-bg: rgba(155,89,182,0.18);
  --chip-dept-2-border: rgba(155,89,182,0.45);
  --chip-dept-3-bg: rgba(241,196,15,0.18);
  --chip-dept-3-border: rgba(241,196,15,0.45);
  --chip-dept-4-bg: rgba(231,76,60,0.18);
  --chip-dept-4-border: rgba(231,76,60,0.45);
  --frist-ok: rgba(46,204,113,0.22);
  --frist-expired: rgba(231,76,60,0.28);
  --fs-scan-border: rgba(255,109,0,0.6);
  --fs-scan-shadow: rgba(0,0,0,0.45);
  --fs-scan-shadow-fallback: rgba(0,0,0,0.18);

  /* === AWL & Dienstplan === */
  --awl-booked: rgba(39,174,96,0.2);
  --awl-ent: rgba(243,156,18,0.2);
  --awl-extra: rgba(52,152,219,0.18);
  --awl-extra-dashed: rgba(126,200,255,0.75);
  --awl-absage: rgba(192,57,43,0.2);
  --awl-target-bg: rgba(39,174,96,0.18);
  --dp-fav-border: rgba(255,193,7,0.35);
  --dp-fav-bg: rgba(255,193,7,0.08);
  --dp-sync-border: rgba(52,152,219,0.24);
  --dp-sync-bg: rgba(52,152,219,0.12);
  --divera-sync-bg: rgba(52,152,219,0.15);
  --einsatz-hero-bg: linear-gradient(135deg, rgba(52,152,219,0.18), rgba(230,81,0,0.14));
  --einsatz-hero-border: rgba(52,152,219,0.16);
  --einsatz-alarm-source-bg: rgba(52,152,219,0.14);
  --hero-gradient: linear-gradient(135deg, var(--accent-18), rgba(191,54,12,0.12));

  /* === Layout & Login === */
  --login-muted: rgba(255,255,255,0.52);
  --login-credit: rgba(255,255,255,0.4);
  --login-input-bg: rgba(0,0,0,0.6);
  --login-status-bg: rgba(0,0,0,0.45);
  --login-status-text: rgba(255,255,255,0.82);
  --btn-primary-bg: linear-gradient(135deg, rgba(230,81,0,0.5), rgba(191,54,12,0.5));
  --header-bg: linear-gradient(135deg, rgba(26,26,26,0.94) 0%, rgba(28,16,0,0.98) 100%);
  --nav-border: rgba(230,81,0,0.15);
  --media-badge-bg: rgba(0,0,0,0.55);
  --status-error-bg: rgba(192, 57, 43, 0.12);
  --shadow-label: rgba(0, 0, 0, 0.18);
  --swipe-shadow: rgba(0, 0, 0, 0.2);
  --text-hint-shadow-strong: 0 1px 6px rgba(0,0,0,0.5);
  --scanner-mask-bg: rgba(0, 0, 0, 0.12);
  --inv-group-bg: linear-gradient(180deg, var(--accent-8), rgba(230,81,0,0.03));
  --inv-group-expanded-bg: linear-gradient(180deg, var(--accent-12), rgba(230,81,0,0.04));
  --scanner-guide-bg: rgba(10, 12, 14, 0.36);
  --scanner-controls-bg: rgba(10, 12, 14, 0.38);
  --doc-frame-border: rgba(255, 255, 255, 0.98);
  --doc-frame-shadow: rgba(0, 0, 0, 0.56);
  --doc-frame-inner: rgba(255, 255, 255, 0.62);
  --doc-label-bg: rgba(0, 0, 0, 0.74);
  --doc-label-border: rgba(255, 255, 255, 0.26);
  --doc-preview-border: rgba(255, 255, 255, 0.22);
  --doc-success-bg: rgba(21, 118, 69, 0.82);
  --doc-success-border: rgba(64, 255, 151, 0.72);
  --doc-handle-bg: rgba(255, 255, 255, 0.24);
  --doc-handle-shadow: 0 0 0 1.5px rgba(0,0,0,0.45), 0 4px 12px rgba(0,0,0,0.4);
  --doc-chip-active-border: rgba(255, 255, 255, 0.24);
  --doc-chip-active-bg: rgba(255, 255, 255, 0.86);
  --doc-round-btn-bg: rgba(0, 0, 0, 0.35);
  --doc-round-btn-border: rgba(255, 255, 255, 0.1);
  --doc-review-bg: rgba(0, 0, 0, 0.92);
  --doc-review-count-border: rgba(255, 255, 255, 0.18);
  --doc-review-name: rgba(255, 255, 255, 0.86);
  --doc-add-icon-border: rgba(255, 255, 255, 0.35);
  --ausbildung-typ-bg: rgba(125, 199, 255, 0.14);
  --ausbildung-typ-border: rgba(125, 199, 255, 0.35);

  /* === Text === */
  --text: #eeeeee;
  --text-muted: #888888;
  --text-inverse: #ffffff;

  /* === Spacing (4px base grid) === */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-8: 48px;

  /* === Border Radii === */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --radius: var(--radius-md);

  /* === Borders === */
  --border-subtle: 1px solid var(--accent-8);
  --border-default: 1px solid var(--accent-12);
  --border-strong: 1px solid var(--accent-20);
  --border-muted: 1px solid var(--surface-6);
  --border-accent: 1px solid var(--accent-35);

  /* === Typography === */
  --font-xs: 11px;
  --font-sm: 12px;
  --font-base: 14px;
  --font-md: 16px;
  --font-lg: 18px;
  --font-xl: 22px;
  --font-hero: 32px;
  --weight-normal: 500;
  --weight-semi: 600;
  --weight-bold: 700;
  --line-height: 1.4;

  /* === Z-Index Layers === */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 500;
  --z-modal: 1000;
  --z-toast: 9000;
  --z-maximum: 10000;

  /* === Transitions === */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;

  /* === Shadows === */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

  /* === Layout === */
  --nav-height: 64px;
  --header-height: 50px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --header-top-extra: 0px;
  --bottom-nav-bottom-padding: calc(var(--safe-bottom) + 4px);
  --content-bottom-gap: 16px;
  --app-height: 100dvh;
  --bottom-nav-total-height: calc(var(--nav-height) + var(--bottom-nav-bottom-padding));
}

/* === Theme: Light === */
[data-theme="light"] {
  --bg: #f5f5f5;
  --bg-card: #ffffff;
  --bg-input: #e8e8e8;
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.4);
  --text: #1a1a1a;
  --text-muted: #666666;
  --text-inverse: #ffffff;
  --accent: #d84315;
  --accent-glow: #e65100;
  --surface-1: rgba(0, 0, 0, 0.01);
  --surface-2: rgba(0, 0, 0, 0.02);
  --surface-3: rgba(0, 0, 0, 0.03);
  --surface-4: rgba(0, 0, 0, 0.04);
  --surface-5: rgba(0, 0, 0, 0.05);
  --surface-6: rgba(0, 0, 0, 0.06);
  --surface-7: rgba(0, 0, 0, 0.08);
  --surface-8: rgba(0, 0, 0, 0.1);
  --accent-5: rgba(216, 67, 21, 0.05);
  --accent-8: rgba(216, 67, 21, 0.08);
  --accent-10: rgba(216, 67, 21, 0.1);
  --accent-12: rgba(216, 67, 21, 0.12);
  --accent-18: rgba(216, 67, 21, 0.18);
  --accent-20: rgba(216, 67, 21, 0.2);
  --accent-35: rgba(216, 67, 21, 0.35);
  --accent-40: rgba(216, 67, 21, 0.4);
  --border-subtle: 1px solid rgba(0, 0, 0, 0.06);
  --border-default: 1px solid rgba(0, 0, 0, 0.12);
  --border-strong: 1px solid rgba(0, 0, 0, 0.2);
  --border-muted: 1px solid rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* === Theme: OLED Black === */
[data-theme="oled"] {
  --bg: #000000;
  --bg-card: #0a0a0a;
  --bg-input: #111111;
  --bg-elevated: #0f0f0f;
  --text: #f0f0f0;
  --text-muted: #666666;
  --accent: #ff6d00;
  --accent-glow: #ff8f00;
}

/* === Theme: High Contrast === */
[data-theme="high-contrast"] {
  --bg: #000000;
  --bg-card: #1a1a1a;
  --bg-input: #2a2a2a;
  --bg-elevated: #222222;
  --text: #ffffff;
  --text-muted: #cccccc;
  --accent: #ff9100;
  --accent-glow: #ffab00;
  --red: #ff1744;
  --green: #00e676;
  --yellow: #ffea00;
  --blue: #40c4ff;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius: var(--radius-md);
  --border-default: 2px solid rgba(255, 145, 0, 0.3);
  --border-strong: 2px solid rgba(255, 145, 0, 0.5);
}

html, body { height: var(--app-height); min-height: var(--app-height); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); overflow: hidden; line-height: var(--line-height); }

.screen { display: none; height: var(--app-height); min-height: var(--app-height); }
.screen.active { display: flex; flex-direction: column; }