/* Grundlegende Styles und Farbvariablen */  
:root {
    /* Dark Theme (Standard) */
    --background-color: #121212;
    --background-gradient: linear-gradient(180deg, #1f1c24 0%, #121212 100%);
    --surface-color: #1c1b1f;
    --surface-container-high: #2a292d;
    --primary-color: #5f8575;
    --primary-color-rgb: 95, 133, 117;
    --secondary-button-color: #4a4458;
    --on-surface-color: #e6e1e5;
    --on-primary-color: #ffffff;
    --outline-color: #49454f;
    --mana-bar-color: #5b97d4;
    --mana-bar-background: #2c2f33;
    --penalty-color: #cf6679;
    --popup-bg-dark: #23232a; /* Helleres Dunkelgrau für Popups im Dark Mode */
    --popup-glow-dark: 0 12px 65px 18px rgba(95,133,117,0.55), 0 2px 64px 0 rgba(0,0,0,0.65);
    --popup-glow-penalty-dark: 0 12px 65px 18px rgba(207,102,121,0.6), 0 2px 64px 0 rgba(0,0,0,0.65);
}

html[data-theme='light'] {
    /* Light Theme Variablen */
    --background-color: #fef7ff;
    --background-gradient: linear-gradient(180deg, #f5efff 0%, #fef7ff 100%);
    --surface-color: #e8e0e9;
    --surface-container-high: #ded8e1;
    --primary-color: #4a6559;
    --primary-color-rgb: 74, 101, 89;
    --secondary-button-color: #625b71;
    --on-surface-color: #1c1b1f;
    --on-primary-color: #ffffff;
    --outline-color: #79747e;
    --mana-bar-color: #0061a4;
    --mana-bar-background: #dbe3eb;
    --penalty-color: #b3261e;
    --popup-bg-light: #fffafd; /* Helles Popup im Light Mode */
    --popup-glow-light: 0 12px 65px 18px rgba(74,101,89,0.35), 0 2px 64px 0 rgba(0,0,0,0.22);
    --popup-glow-penalty-light: 0 12px 65px 18px rgba(179,38,30,0.35), 0 2px 64px 0 rgba(0,0,0,0.22);
}


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

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background-color);
    background-image: var(--background-gradient);
    background-attachment: fixed;
    color: var(--on-surface-color);
    display: flex; flex-direction: column; height: 100vh; overflow: hidden;
    transition: color 0.3s;
    position: relative;
}

/* Pulsierende Hintergrund-Elemente */
.background-pulse-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.pulse-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-color), transparent);
}

.pulse-1 {
    width: 400px;
    height: 400px;
    top: 5%;
    left: 10%;
    filter: blur(30px);
    animation: backgroundPulse1 10s ease-in-out infinite;
    animation-delay: 0s;
}

.pulse-2 {
    width: 350px;
    height: 350px;
    top: 50%;
    right: 15%;
    filter: blur(25px);
    animation: backgroundPulse2 6s ease-in-out infinite;
    animation-delay: 2s;
}

.pulse-3 {
    width: 450px;
    height: 450px;
    bottom: 10%;
    left: 5%;
    filter: blur(35px);
    animation: backgroundPulse3 10s ease-in-out infinite;
    animation-delay: 4s;
}

.pulse-4 {
    width: 300px;
    height: 300px;
    top: 25%;
    right: 5%;
    filter: blur(20px);
    animation: backgroundPulse4 7s ease-in-out infinite;
    animation-delay: 6s;
}

@keyframes backgroundPulse1 {
    0%, 100% { opacity: 0.032; transform: scale(1); }
    50%      { opacity: 0.130; transform: scale(1.054); }
}
@keyframes backgroundPulse2 {
    0%, 100% { opacity: 0.027; transform: scale(1); }
    50%      { opacity: 0.086; transform: scale(1.043); }
}
@keyframes backgroundPulse3 {
    0%, 100% { opacity: 0.016; transform: scale(1); }
    50%      { opacity: 0.065; transform: scale(1.032); }
}
@keyframes backgroundPulse4 {
    0%, 100% { opacity: 0.011; transform: scale(1); }
    50%      { opacity: 0.043; transform: scale(1.022); }
}

/* Nav icon subtle glow pulse */
@keyframes navIconPulse {
    0%, 100% { text-shadow: 0 0 14px rgba(var(--primary-color-rgb), 0.80); }
    50%      { text-shadow: 0 0 14px rgba(var(--primary-color-rgb), 0.65); }
}

/* Verschiedene Puls-Intensitäten für mehr Dynamik */
.pulse-1 {
    animation: backgroundPulse1 8s ease-in-out infinite;
}

.pulse-2 {
    animation: backgroundPulse2 6s ease-in-out infinite;
}

.pulse-3 {
    animation: backgroundPulse3 10s ease-in-out infinite;
}

.pulse-4 {
    animation: backgroundPulse4 7s ease-in-out infinite;
}

/* Globales Custom Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background-color: var(--outline-color);
    border-radius: 4px;
    border: 2px solid var(--background-color);
}
html[data-theme='light'] ::-webkit-scrollbar-thumb {
    border-color: var(--background-color);
}
.popup-content::-webkit-scrollbar-thumb {
    border-color: var(--popup-bg-dark);
}
html[data-theme='light'] .popup-content::-webkit-scrollbar-thumb {
    border-color: var(--popup-bg-light);
}
::-webkit-scrollbar-thumb:hover {
    background-color: var(--primary-color);
}


/* Stile für die Notfall-Anzeige */
#critical-error-fallback {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
#critical-error-fallback.visible {
    display: flex;
}
.fallback-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}
.fallback-message {
    position: relative;
    z-index: 101;
    background-color: var(--surface-color);
    color: var(--on-surface-color);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--outline-color);
    max-width: 400px;
    text-align: center;
}
.fallback-icon {
    font-size: 48px;
    margin-bottom: 16px;
}
.fallback-message h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
}
.fallback-message p {
    opacity: 0.8;
    line-height: 1.5;
    margin-bottom: 24px;
}
.fallback-actions {
    text-align: left;
    background-color: var(--surface-container-high);
    padding: 16px;
    border-radius: 12px;
}
.fallback-actions strong {
    display: block;
    margin-bottom: 12px;
}
.fallback-actions ol {
    padding-left: 20px;
}
.fallback-actions li {
    margin-bottom: 8px;
}


/* Header Styling */
#app-header {
    position: fixed; top: 0; left: 0; right: 0;
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px; background-color: var(--surface-color);
    border-bottom: 1px solid var(--outline-color);
    z-index: 10; height: 60px;
}
#header-title {
    font-size: 22px; font-weight: 500; margin: 0;
    color: var(--on-surface-color);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.icon-button {
    background: transparent;
    border: none;
    color: var(--on-surface-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}
.icon-button:hover {
    background-color: var(--surface-container-high);
}
.icon-button .icon {
    width: 22px;
    height: 22px;
    line-height: 1;
}


#app-container {
    flex-grow: 1; overflow-y: auto; padding: 16px; 
    padding-top: 76px; 
    padding-bottom: 110px;
}

/* Seiten-Management */
.page { display: none; }
.page.active { display: block; }
h2 {
    color: var(--primary-color); text-align: left; font-weight: 500;
    margin-top: 24px; margin-bottom: 16px; font-size: 22px;
}
.content-container { display: flex; flex-direction: column; gap: 8px; }

/* Navigationsleiste */
#bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; display: flex;
    justify-content: space-evenly; align-items: stretch;
    background-color: var(--surface-color); 
    height: 75px;
    z-index: 10; border-top: 1px solid var(--outline-color);
}
.nav-button {
    background-color: transparent; border: none; color: var(--on-surface-color);
    cursor: pointer; flex: 1; display: flex; flex-direction: column; 
    align-items: center; justify-content: center; gap: 0;
    position: relative;
    overflow: visible; /* allow glow to extend evenly */
}
.nav-icon {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 12px; transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
    line-height: 1;
    font-weight: 400;
    margin: 0 auto;
    padding: 0;
}
.nav-label { display: none; }

.nav-button.active .nav-icon {
    background-color: transparent;
    color: var(--primary-color);
    font-weight: 700;
    box-shadow: none;
    text-shadow: 0 0 14px rgba(var(--primary-color-rgb), 0.8);
    animation: navIconPulse 10s ease-in-out infinite;
}

/* Material Symbols icon font setup */
.material-symbols-rounded {
    font-family: 'Material Symbols Rounded';
    font-weight: normal;
    font-style: normal;
    font-size: 24px; /* base icon size */
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-feature-settings: 'liga';
    -webkit-font-smoothing: antialiased;
    /* variable font settings */
    font-variation-settings:
      'FILL' 0,
      'wght' 400,
      'GRAD' 0,
      'opsz' 24;
}

/* Sizes for specific placements */
.icon-button .material-symbols-rounded { font-size: 22px; }
.nav-icon.material-symbols-rounded { font-size: 32px; }
.handle-icon.material-symbols-rounded { font-size: 24px; }
.penalty-icon.material-symbols-rounded { font-size: 16px; }
.warning-icon .material-symbols-rounded, .warning-icon.material-symbols-rounded { font-size: 20px; }
.chip-icon.material-symbols-rounded { font-size: 20px; }
.widget-emoji .material-symbols-rounded,
.planted-emoji .material-symbols-rounded,
.item-emoji .material-symbols-rounded,
#emoji-grid-container .emoji-selection-item .material-symbols-rounded { font-size: inherit; }

/* Icon accent helpers */
.icon-accent { color: var(--primary-color); text-shadow: 0 0 12px rgba(var(--primary-color-rgb), 0.55); }
.icon-gold { color: #f5c84c; text-shadow: 0 0 10px rgba(245,200,76,0.45); }
.icon-mana { color: var(--mana-bar-color); text-shadow: 0 0 10px rgba(91,151,212,0.45); }
.icon-attack { color: #ef5350; text-shadow: 0 0 8px rgba(239,83,80,0.35); }
.icon-defense { color: #42a5f5; text-shadow: 0 0 8px rgba(66,165,245,0.35); }