/* 
 * variables.css
 * Enthält alle CSS-Variablen und das Design-System
 */

/* Minimalist Modern Design System */
:root {
    /* Safe area variables (default to 0; overridden in iOS app) */
    --safe-area-inset-top: env(safe-area-inset-top, 0px);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
    --ios-viewport-height: 100vh;
    --sidebar-tabbar-height: 0px;
    --sidebar-top-compensation: 0px;
    --sidebar-top-gap: max(var(--safe-area-inset-top), var(--sidebar-top-compensation));
    --sidebar-bottom-gap: max(var(--safe-area-inset-bottom), var(--sidebar-tabbar-height));
    --sidebar-scroll-offset: 0px;
    --safe-top: 0px;
    --page-shell-max-width: 1280px;
    --page-shell-padding-inline: var(--space-4);
    --page-shell-padding-inline-compact: var(--space-3);
    --page-content-offset: var(--space-3);
    --page-content-offset-compact: var(--space-2);
    --page-header-height-desktop: 118px;
    --page-header-height-tablet: 96px;
    --page-header-height-tablet-stacked: 148px;
    --page-header-height-mobile: 148px;
    --page-header-height-reader-mobile: 136px;
    --site-header-height: var(--page-header-height-desktop);
    /* Core Variables */
    --transition-speed: 220ms;
    --transition-speed-fast: 180ms;
    --transition-speed-slow: 320ms;
    --motion-fast: 180ms;
    --motion-standard: 220ms;
    --motion-slow: 320ms;
    --blur-intensity: 20px;
    --blur-intensity-high: 40px;
    --border-radius-xs: 8px;
    --border-radius-sm: 13px;
    --border-radius-md: 21px;
    --border-radius-lg: 34px;
    --border-radius-xl: 34px;
    --radius-sm: 0.5rem;
    --radius-md: 0.8125rem;
    --radius-lg: 1.3125rem;
    --radius-xl: 2.125rem;
    --font-primary: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --icon-accent-primary: var(--color-accent-primary);
    --icon-accent-secondary: var(--color-accent-secondary);
    --icon-surface-fill: rgba(201, 123, 61, 0.12);
    --icon-surface-border: rgba(201, 123, 61, 0.22);
    
    --sidebar-width-desktop: 272px; /* Standardbreite der Sidebar auf Desktop */
    --site-header-offset: 0px; /* Horizontaler Versatz für den Site Header */
    
    /* Z-Index Hierarchie */
    --z-header: 200; /* Increased to be above floating bubbles */
    --z-sidebar: 400; /* Sidebar muss über dem Header liegen */
    --z-content: 1;
    
    /* Spacing System (8px Grid) */
    --spacing-xxs: 0.25rem;  /* 4px */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 0.8125rem; /* 13px */
    --spacing-md: 1.3125rem; /* 21px */
    --spacing-lg: 2.125rem;  /* 34px */
    --spacing-xl: 3.4375rem; /* 55px */
    --spacing-xxl: 5.5rem;   /* 88px */
    --space-1: 0.5rem;
    --space-2: 0.8125rem;
    --space-3: 1.3125rem;
    --space-4: 2.125rem;
    --space-5: 3.4375rem;
    
    
    /* Moderne, zeitlose Farbpalette - Light Mode */
    --color-bg-primary: #ffffff; /* Reines Weiß für Content- und Reading-Surfaces */
    --color-bg-secondary: #f5f6f8; /* Sehr helles Grau */
    --color-bg-tertiary: #eceff3; /* Helles Grau */
    --color-page-surface: #f2f5f6; /* Globaler Seitenhintergrund */
    --color-reading-surface: #ffffff;
    --color-text-primary: #10131a; /* Fast-Schwarz */
    --color-text-secondary: #25303d; /* Dunkles Grau */
    --color-text-tertiary: #566170; /* Mittleres Grau */
    --color-accent-primary: #c97b3d; /* Orange */
    --color-accent-primary-text: #95531f; /* WCAG-AA-fähiges Orange für normalen Text */
    --color-accent-primary-alpha-10: rgba(201, 123, 61, 0.14); /* Für Ladeanzeige-Hintergrund */
    --color-accent-secondary: #0c4a58; /* Petrol */
    --color-accent-tertiary: #d9a17a; /* Helles Orange */
    --color-success: #2a8d5e;
    --color-warning: #c9a03f;
    --color-error: #b83e3a;
    --color-info: #3182ce;
    --color-border: rgba(16, 18, 28, 0.12);
    --color-shadow: rgba(16, 18, 28, 0.06);
    
    /* Glassmorphism - verfeinert */
    --glass-bg: rgba(255, 255, 255, 0.94);
    --glass-border: rgba(16, 18, 28, 0.12);
    --surface-shadow-rest: 0 6px 18px rgba(16, 18, 28, 0.04);
    --surface-shadow-hover: 0 10px 24px rgba(16, 18, 28, 0.055);
    --surface-shadow-overlay: 0 16px 38px rgba(16, 18, 28, 0.08);
    --glass-shadow: var(--surface-shadow-rest);
    --color-bg-primary-alpha-80: rgba(255, 255, 255, 0.9); /* Für Scroll-Schatten */
    
    /* Elevation System - subtiler */
    --elevation-1: var(--surface-shadow-rest);
    --elevation-2: var(--surface-shadow-hover);
    --elevation-3: var(--surface-shadow-hover);
    --elevation-4: var(--surface-shadow-overlay);
    
    /* Gradients - harmonischer */
    --gradient-primary: linear-gradient(135deg, #c97b3d 0%, #0c4a58 100%);
    --gradient-secondary: linear-gradient(135deg, #d9a17a 0%, #c97b3d 100%);
    --gradient-surface: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(243,248,248,0.88));
    --gradient-glow: radial-gradient(circle, rgba(12,74,88,0.14) 0%, rgba(201,123,61,0) 72%);
    --home-surface-base: var(--color-page-surface);
    --home-surface-petrol: rgba(12, 74, 88, 0);
    --home-surface-orange: rgba(201, 123, 61, 0);
    --home-surface-highlight: rgba(255, 255, 255, 0);
    --home-surface-top-sheen: rgba(255, 255, 255, 0);
    --home-surface-bottom-shadow: rgba(0, 0, 0, 0);
    --home-container-fill: rgba(255, 255, 255, 0.98);
    --home-container-border: rgba(16, 18, 28, 0.13);
    --home-container-border-strong: rgba(16, 18, 28, 0.2);
    --surface-panel-fill: rgba(255, 255, 255, 0.78);
    --surface-panel-border: rgba(16, 18, 28, 0.08);
    --surface-panel-shadow: var(--surface-shadow-rest);
    --chrome-shell-fill: rgba(255, 255, 255, 0.88);
    --chrome-shell-fill-strong: rgba(255, 255, 255, 0.96);
    --chrome-shell-border: rgba(16, 18, 28, 0.1);
    --chrome-shell-highlight: rgba(255, 255, 255, 0.86);
    --chrome-shell-shadow: none;
    --chrome-shell-radius: 34px;
    --chrome-pill-fill: rgba(255, 255, 255, 0.72);
    --chrome-pill-border: rgba(16, 18, 28, 0.08);
    --chrome-pill-text: var(--color-text-secondary);
    --signal-chip-fill: rgba(12, 74, 88, 0.08);
    --signal-chip-border: rgba(12, 74, 88, 0.12);
    --signal-chip-text: var(--color-text-secondary);
    --standalone-surface-base: #eef2f3;
    --standalone-surface-petrol: rgba(12, 74, 88, 0.14);
    --standalone-surface-orange: rgba(201, 123, 61, 0.1);
    --standalone-surface-highlight: rgba(255, 255, 255, 0.32);
    --standalone-card-fill: rgba(255, 255, 255, 0.94);
    --standalone-card-border: rgba(16, 18, 28, 0.12);
    --standalone-card-shadow: var(--surface-shadow-overlay);
    --standalone-input-fill: rgba(255, 255, 255, 0.97);
    --standalone-input-border: rgba(16, 18, 28, 0.1);
    --standalone-focus-ring: rgba(201, 123, 61, 0.34);
    --motion-snappy: cubic-bezier(0.22, 1, 0.36, 1);
    --liquid-bar-fill: rgba(255, 255, 255, 0.92);
    --liquid-chip-fill: rgba(255, 255, 255, 0.9);
    --liquid-border-start: rgba(255, 255, 255, 0.9);
    --liquid-border-mid: rgba(255, 255, 255, 0.35);
    --liquid-border-end: rgba(255, 255, 255, 0.08);
    --liquid-highlight-start: rgba(255, 255, 255, 0.28);
    --liquid-highlight-end: rgba(255, 255, 255, 0);
    --share-button-fg: #ffffff;
    --reaction-bg: rgba(255, 255, 255, 0.62);
    --reaction-border: rgba(16, 18, 28, 0.14);
    --reaction-text: var(--color-text-primary);
    --reaction-hover-bg: rgba(255, 255, 255, 0.82);
    --reaction-hover-border: rgba(16, 18, 28, 0.22);
    --reaction-active-bg: rgba(201, 123, 61, 0.18);
    --reaction-active-border: rgba(201, 123, 61, 0.48);
    --reaction-active-text: var(--color-text-primary);
    --reaction-focus-ring: rgba(201, 123, 61, 0.72);
    
    /* Welcome Screen Dynamic Theme Defaults */
    --welcome-surface-gradient: radial-gradient(44% 60% at 20% 15%, rgba(255, 219, 171, 0.65) 0%, rgba(255, 219, 171, 0) 70%), radial-gradient(36% 40% at 75% 10%, rgba(197, 222, 255, 0.75) 0%, rgba(197, 222, 255, 0) 70%), radial-gradient(60% 70% at 50% 60%, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 100%);
    --welcome-card-surface: rgba(255, 255, 255, 0.94);
    --welcome-accent-start: #c97b3d;
    --welcome-accent-end: #0c4a58;
    --welcome-accent-contrast: #ffffff;
    --welcome-accent-shadow: rgba(201, 123, 61, 0.26);
    --welcome-chip-bg: rgba(201, 123, 61, 0.12);
    --welcome-chip-text: var(--color-text-primary);
    --welcome-card-meta-color: rgba(12, 74, 88, 0.9);
    --welcome-card-meta-color-dark: rgba(138, 183, 193, 0.92);
    --welcome-card-placeholder-bg: linear-gradient(135deg, rgba(201, 123, 61, 0.18) 0%, rgba(12, 74, 88, 0.14) 100%);
    --welcome-loader-dot: rgba(201, 123, 61, 0.5);
    --site-header-bg: rgba(255, 255, 255, 0.9);
    --site-header-border: rgba(16, 18, 28, 0.08);
    --site-header-backdrop: blur(10px) saturate(112%);
    
    /* Animation */
    --animation-curve: cubic-bezier(0.34, 1.56, 0.64, 1);
    --animation-curve-bounce: cubic-bezier(0.68, -0.55, 0.27, 1.55);
    --animation-curve-smooth: cubic-bezier(0.4, 0.0, 0.2, 1);
    
    /* Touch Targets */
    --touch-target-min: 44px;
    
}

/* iOS App WebView: expose safe area top via variable */
body.ios-app {
    --safe-top: env(safe-area-inset-top, 0px);
}
body.ios-app {
    --safe-top: constant(safe-area-inset-top);
}

/* Dark Mode Variables aligned with access restricted layout */
/* Unterstützung für html und body mit .dark-mode Klasse */
.dark-mode,
html.dark-mode,
body.dark-mode {
    --color-bg-primary: #111418;
    --color-bg-secondary: #171a1f;
    --color-bg-tertiary: #1d2128;
    --color-page-surface: #111418;
    --color-reading-surface: #111418;
    --color-text-primary: #f5f6f7;
    --color-text-secondary: #c4c7cc;
    --color-text-tertiary: #9aa0aa;
    --color-accent-primary: #c97b3d;
    --color-accent-primary-text: #c97b3d;
    --color-accent-primary-alpha-10: rgba(201, 123, 61, 0.24);
    --color-accent-secondary: #8ab7c1;
    --color-accent-tertiary: #e5c6ad;
    --icon-accent-primary: var(--color-accent-primary);
    --icon-accent-secondary: var(--color-accent-secondary);
    --icon-surface-fill: rgba(201, 123, 61, 0.2);
    --icon-surface-border: rgba(201, 123, 61, 0.34);
    --color-border: rgba(136, 140, 148, 0.28);
    --color-shadow: rgba(0, 0, 0, 0.58);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.22);
    --surface-shadow-rest: 0 8px 22px rgba(0, 0, 0, 0.18);
    --surface-shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.24);
    --surface-shadow-overlay: 0 16px 36px rgba(0, 0, 0, 0.32);
    --glass-shadow: var(--surface-shadow-rest);
    --color-bg-primary-alpha-80: rgba(17, 20, 24, 0.9);
    --gradient-surface: linear-gradient(150deg, rgba(20, 21, 24, 0.96) 0%, rgba(17, 18, 20, 0.92) 100%);
    --gradient-glow: radial-gradient(circle at 40% -20%, rgba(84, 86, 94, 0.24) 0%, rgba(18, 19, 21, 0) 65%);
    --home-surface-base: #111418;
    --home-surface-petrol: rgba(12, 74, 88, 0.58);
    --home-surface-orange: rgba(201, 123, 61, 0.42);
    --home-surface-highlight: rgba(255, 255, 255, 0.06);
    --home-surface-top-sheen: rgba(255, 255, 255, 0.04);
    --home-surface-bottom-shadow: rgba(0, 0, 0, 0.12);
    --home-container-fill: rgba(255, 255, 255, 0.12);
    --home-container-border: rgba(255, 255, 255, 0.34);
    --home-container-border-strong: rgba(255, 255, 255, 0.4);
    --surface-panel-fill: rgba(255, 255, 255, 0.08);
    --surface-panel-border: rgba(255, 255, 255, 0.14);
    --surface-panel-shadow: var(--surface-shadow-hover);
    --chrome-shell-fill: rgba(17, 20, 24, 0.9);
    --chrome-shell-fill-strong: rgba(17, 20, 24, 0.96);
    --chrome-shell-border: rgba(255, 255, 255, 0.12);
    --chrome-shell-highlight: rgba(255, 255, 255, 0.08);
    --chrome-shell-shadow: none;
    --chrome-pill-fill: rgba(255, 255, 255, 0.06);
    --chrome-pill-border: rgba(255, 255, 255, 0.1);
    --chrome-pill-text: rgba(245, 246, 247, 0.86);
    --signal-chip-fill: rgba(255, 255, 255, 0.08);
    --signal-chip-border: rgba(255, 255, 255, 0.12);
    --signal-chip-text: rgba(245, 246, 247, 0.84);
    --standalone-surface-base: #111418;
    --standalone-surface-petrol: rgba(12, 74, 88, 0.58);
    --standalone-surface-orange: rgba(201, 123, 61, 0.42);
    --standalone-surface-highlight: rgba(255, 255, 255, 0.06);
    --standalone-card-fill: rgba(255, 255, 255, 0.08);
    --standalone-card-border: rgba(255, 255, 255, 0.2);
    --standalone-card-shadow: var(--surface-shadow-overlay);
    --standalone-input-fill: rgba(255, 255, 255, 0.065);
    --standalone-input-border: rgba(255, 255, 255, 0.14);
    --standalone-focus-ring: rgba(201, 123, 61, 0.46);
    --liquid-bar-fill: rgba(255, 255, 255, 0.08);
    --liquid-chip-fill: rgba(255, 255, 255, 0.08);
    --liquid-border-start: rgba(255, 255, 255, 0.32);
    --liquid-border-mid: rgba(255, 255, 255, 0.14);
    --liquid-border-end: rgba(255, 255, 255, 0.04);
    --liquid-highlight-start: rgba(255, 255, 255, 0.07);
    --liquid-highlight-end: rgba(255, 255, 255, 0);
    --share-button-fg: #000000;
    --reaction-bg: rgba(255, 255, 255, 0.05);
    --reaction-border: rgba(255, 255, 255, 0.14);
    --reaction-text: rgba(244, 246, 250, 0.9);
    --reaction-hover-bg: rgba(255, 255, 255, 0.11);
    --reaction-hover-border: rgba(255, 255, 255, 0.24);
    --reaction-active-bg: rgba(201, 123, 61, 0.2);
    --reaction-active-border: rgba(201, 123, 61, 0.48);
    --reaction-active-text: rgba(255, 246, 238, 0.95);
    --reaction-focus-ring: rgba(201, 123, 61, 0.74);
    --welcome-surface-gradient: radial-gradient(48% 60% at 8% 0%, rgba(12, 74, 88, 0.58) 0%, rgba(12, 74, 88, 0) 72%), radial-gradient(46% 62% at 92% 2%, rgba(201, 123, 61, 0.42) 0%, rgba(201, 123, 61, 0) 74%), radial-gradient(72% 72% at 50% 42%, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0) 100%);
    --welcome-card-surface: rgba(255, 255, 255, 0.08);
    --welcome-accent-start: #d9dce0;
    --welcome-accent-end: #b7bbc3;
    --welcome-accent-contrast: #080808;
    --welcome-accent-shadow: rgba(120, 123, 132, 0.3);
    --welcome-chip-bg: rgba(140, 143, 152, 0.18);
    --welcome-chip-text: rgba(232, 233, 236, 0.9);
    --welcome-card-meta-color: rgba(196, 199, 204, 0.92);
    --welcome-card-meta-color-dark: rgba(222, 224, 229, 0.92);
    --welcome-card-placeholder-bg: linear-gradient(135deg, rgba(124, 127, 136, 0.18) 0%, rgba(142, 146, 156, 0.18) 100%);
    --welcome-loader-dot: rgba(168, 171, 178, 0.55);
    --site-header-bg: rgba(20, 21, 24, 0.94);
    --site-header-border: rgba(138, 142, 150, 0.2);
    --site-header-backdrop: blur(26px) saturate(140%);
}