/* CSS Design System for BattleMoodle Stage Builder */

/* Theme Variables */
:root {
    /* Fonts */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Orbitron', sans-serif;

    /* Transition speeds */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Futuristic Theme Colors */
.theme-futurista {
    --bg-app: #060b13;
    --bg-sidebar: rgba(10, 18, 30, 0.75);
    --border-color: rgba(0, 188, 255, 0.15);
    --border-color-focus: rgba(0, 188, 255, 0.5);
    --text-main: #e2e8f0;
    --text-muted: #64748b;
    --text-highlight: #00f0ff;
    --accent-color: #00bcff;
    --accent-rgb: 0, 188, 255;
    --accent-glow: 0 0 15px rgba(0, 188, 255, 0.4);
    
    --card-bg: rgba(15, 27, 46, 0.5);
    --input-bg: rgba(8, 16, 28, 0.8);
    --btn-secondary-bg: rgba(30, 41, 59, 0.5);
    --btn-secondary-hover: rgba(30, 41, 59, 0.8);
    --btn-primary-bg: #00bcff;
    --btn-primary-text: #04080e;
    --btn-primary-hover: #33ccff;
    --btn-primary-glow: 0 0 20px rgba(0, 188, 255, 0.5);

    /* SVG elements defaults for Futuristic */
    --svg-hub-fill: rgba(6, 12, 22, 0.85);
    --svg-hub-stroke: rgba(0, 188, 255, 0.3);
    --svg-hub-glow: 0 0 10px rgba(0, 188, 255, 0.3);
    --svg-outer-ring-stroke: rgba(0, 188, 255, 0.15);
    --svg-ticks-stroke: rgba(0, 188, 255, 0.25);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.2);
    --svg-step-inactive-stroke: rgba(0, 188, 255, 0.12);
}

/* Arena Theme Colors (Coliseu / Sand style) */
.theme-arena {
    --bg-app: #120e0a;
    --bg-sidebar: rgba(28, 22, 17, 0.8);
    --border-color: rgba(224, 153, 36, 0.2);
    --border-color-focus: rgba(224, 153, 36, 0.6);
    --text-main: #f5f2eb;
    --text-muted: #8c8273;
    --text-highlight: #ffb74d;
    --accent-color: #e09924;
    --accent-rgb: 224, 153, 36;
    --accent-glow: 0 0 15px rgba(224, 153, 36, 0.4);
    
    --card-bg: rgba(38, 30, 23, 0.5);
    --input-bg: rgba(22, 18, 14, 0.8);
    --btn-secondary-bg: rgba(54, 43, 33, 0.5);
    --btn-secondary-hover: rgba(54, 43, 33, 0.8);
    --btn-primary-bg: #e09924;
    --btn-primary-text: #17120c;
    --btn-primary-hover: #ffaa33;
    --btn-primary-glow: 0 0 20px rgba(224, 153, 36, 0.5);

    /* SVG elements defaults for Arena */
    --svg-hub-fill: rgba(22, 18, 14, 0.85);
    --svg-hub-stroke: rgba(224, 153, 36, 0.3);
    --svg-hub-glow: 0 0 10px rgba(224, 153, 36, 0.3);
    --svg-outer-ring-stroke: rgba(224, 153, 36, 0.15);
    --svg-ticks-stroke: rgba(224, 153, 36, 0.25);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.3);
    --svg-step-inactive-stroke: rgba(224, 153, 36, 0.12);
}

/* Philosophy Theme Colors */
.theme-filosofia {
    --bg-app: #130f0c;
    --bg-sidebar: rgba(28, 22, 18, 0.8);
    --border-color: rgba(205, 162, 80, 0.25);
    --border-color-focus: rgba(205, 162, 80, 0.65);
    --text-main: #f3ebe0;
    --text-muted: #8e8275;
    --text-highlight: #ffd700;
    --accent-color: #cda250;
    --accent-rgb: 205, 162, 80;
    --accent-glow: 0 0 15px rgba(205, 162, 80, 0.4);
    
    --card-bg: rgba(38, 30, 24, 0.5);
    --input-bg: rgba(20, 16, 12, 0.8);
    --btn-secondary-bg: rgba(54, 43, 34, 0.5);
    --btn-secondary-hover: rgba(54, 43, 34, 0.8);
    --btn-primary-bg: #cda250;
    --btn-primary-text: #1c1510;
    --btn-primary-hover: #dfb76c;
    --btn-primary-glow: 0 0 20px rgba(205, 162, 80, 0.5);

    --svg-hub-fill: rgba(28, 22, 18, 0.9);
    --svg-hub-stroke: rgba(205, 162, 80, 0.35);
    --svg-hub-glow: 0 0 12px rgba(205, 162, 80, 0.3);
    --svg-outer-ring-stroke: rgba(205, 162, 80, 0.2);
    --svg-ticks-stroke: rgba(205, 162, 80, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(205, 162, 80, 0.15);
}

/* Mathematics Theme Colors */
.theme-matematicas {
    --bg-app: #081413;
    --bg-sidebar: rgba(13, 31, 29, 0.8);
    --border-color: rgba(57, 197, 187, 0.25);
    --border-color-focus: rgba(57, 197, 187, 0.65);
    --text-main: #e6f4f1;
    --text-muted: #6b8c88;
    --text-highlight: #aef0eb;
    --accent-color: #39c5bb;
    --accent-rgb: 57, 197, 187;
    --accent-glow: 0 0 15px rgba(57, 197, 187, 0.4);
    
    --card-bg: rgba(18, 43, 40, 0.5);
    --input-bg: rgba(10, 25, 23, 0.8);
    --btn-secondary-bg: rgba(30, 65, 60, 0.5);
    --btn-secondary-hover: rgba(30, 65, 60, 0.8);
    --btn-primary-bg: #39c5bb;
    --btn-primary-text: #050d0c;
    --btn-primary-hover: #5be0d6;
    --btn-primary-glow: 0 0 20px rgba(57, 197, 187, 0.5);

    --svg-hub-fill: rgba(13, 31, 29, 0.9);
    --svg-hub-stroke: rgba(57, 197, 187, 0.35);
    --svg-hub-glow: 0 0 12px rgba(57, 197, 187, 0.3);
    --svg-outer-ring-stroke: rgba(57, 197, 187, 0.2);
    --svg-ticks-stroke: rgba(57, 197, 187, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(57, 197, 187, 0.15);
}

/* Law Theme Colors */
.theme-derecho {
    --bg-app: #150a0b;
    --bg-sidebar: rgba(32, 15, 17, 0.8);
    --border-color: rgba(212, 175, 55, 0.25);
    --border-color-focus: rgba(212, 175, 55, 0.65);
    --text-main: #f5ebeb;
    --text-muted: #957d7f;
    --text-highlight: #ffecb3;
    --accent-color: #d4af37;
    --accent-rgb: 212, 175, 55;
    --accent-glow: 0 0 15px rgba(212, 175, 55, 0.4);
    
    --card-bg: rgba(45, 21, 24, 0.5);
    --input-bg: rgba(24, 11, 13, 0.8);
    --btn-secondary-bg: rgba(65, 30, 34, 0.5);
    --btn-secondary-hover: rgba(65, 30, 34, 0.8);
    --btn-primary-bg: #d4af37;
    --btn-primary-text: #200d0f;
    --btn-primary-hover: #eec852;
    --btn-primary-glow: 0 0 20px rgba(212, 175, 55, 0.5);

    --svg-hub-fill: rgba(32, 15, 17, 0.9);
    --svg-hub-stroke: rgba(212, 175, 55, 0.35);
    --svg-hub-glow: 0 0 12px rgba(212, 175, 55, 0.3);
    --svg-outer-ring-stroke: rgba(212, 175, 55, 0.2);
    --svg-ticks-stroke: rgba(212, 175, 55, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(212, 175, 55, 0.15);
}

/* Medicine Theme Colors */
.theme-medicina {
    --bg-app: #040d12;
    --bg-sidebar: rgba(10, 30, 40, 0.8);
    --border-color: rgba(0, 229, 163, 0.25);
    --border-color-focus: rgba(0, 229, 163, 0.65);
    --text-main: #e0f2f1;
    --text-muted: #698380;
    --text-highlight: #b2fbf5;
    --accent-color: #00e5a3;
    --accent-rgb: 0, 229, 163;
    --accent-glow: 0 0 15px rgba(0, 229, 163, 0.4);
    
    --card-bg: rgba(12, 38, 48, 0.5);
    --input-bg: rgba(6, 20, 28, 0.8);
    --btn-secondary-bg: rgba(22, 58, 72, 0.5);
    --btn-secondary-hover: rgba(22, 58, 72, 0.8);
    --btn-primary-bg: #00e5a3;
    --btn-primary-text: #020c09;
    --btn-primary-hover: #33ffc2;
    --btn-primary-glow: 0 0 20px rgba(0, 229, 163, 0.5);

    --svg-hub-fill: rgba(10, 30, 40, 0.9);
    --svg-hub-stroke: rgba(0, 229, 163, 0.35);
    --svg-hub-glow: 0 0 12px rgba(0, 229, 163, 0.3);
    --svg-outer-ring-stroke: rgba(0, 229, 163, 0.2);
    --svg-ticks-stroke: rgba(0, 229, 163, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(0, 229, 163, 0.15);
}

/* Chemistry Theme Colors */
.theme-quimica {
    --bg-app: #030e08;
    --bg-sidebar: rgba(8, 30, 18, 0.8);
    --border-color: rgba(57, 255, 20, 0.25);
    --border-color-focus: rgba(57, 255, 20, 0.65);
    --text-main: #e8f5e9;
    --text-muted: #6b8e76;
    --text-highlight: #baffab;
    --accent-color: #39ff14;
    --accent-rgb: 57, 255, 20;
    --accent-glow: 0 0 15px rgba(57, 255, 20, 0.4);
    
    --card-bg: rgba(12, 42, 26, 0.5);
    --input-bg: rgba(6, 22, 13, 0.8);
    --btn-secondary-bg: rgba(22, 62, 40, 0.5);
    --btn-secondary-hover: rgba(22, 62, 40, 0.8);
    --btn-primary-bg: #39ff14;
    --btn-primary-text: #020f02;
    --btn-primary-hover: #6fff57;
    --btn-primary-glow: 0 0 20px rgba(57, 255, 20, 0.5);

    --svg-hub-fill: rgba(8, 30, 18, 0.9);
    --svg-hub-stroke: rgba(57, 255, 20, 0.35);
    --svg-hub-glow: 0 0 12px rgba(57, 255, 20, 0.3);
    --svg-outer-ring-stroke: rgba(57, 255, 20, 0.2);
    --svg-ticks-stroke: rgba(57, 255, 20, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(57, 255, 20, 0.15);
}

/* Informatics Theme Colors */
.theme-informatica {
    --bg-app: #010a04;
    --bg-sidebar: rgba(5, 24, 11, 0.8);
    --border-color: rgba(0, 255, 102, 0.25);
    --border-color-focus: rgba(0, 255, 102, 0.65);
    --text-main: #e0f2e9;
    --text-muted: #5e8c72;
    --text-highlight: #99ffa8;
    --accent-color: #00ff66;
    --accent-rgb: 0, 255, 102;
    --accent-glow: 0 0 15px rgba(0, 255, 102, 0.4);
    
    --card-bg: rgba(8, 36, 17, 0.5);
    --input-bg: rgba(4, 18, 8, 0.8);
    --btn-secondary-bg: rgba(15, 54, 27, 0.5);
    --btn-secondary-hover: rgba(15, 54, 27, 0.8);
    --btn-primary-bg: #00ff66;
    --btn-primary-text: #010f04;
    --btn-primary-hover: #4dff91;
    --btn-primary-glow: 0 0 20px rgba(0, 255, 102, 0.5);

    --svg-hub-fill: rgba(5, 24, 11, 0.9);
    --svg-hub-stroke: rgba(0, 255, 102, 0.35);
    --svg-hub-glow: 0 0 12px rgba(0, 255, 102, 0.3);
    --svg-outer-ring-stroke: rgba(0, 255, 102, 0.2);
    --svg-ticks-stroke: rgba(0, 255, 102, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(0, 255, 102, 0.15);
}

/* Physics Theme Colors */
.theme-fisica {
    --bg-app: #06030c;
    --bg-sidebar: rgba(16, 8, 30, 0.8);
    --border-color: rgba(189, 0, 255, 0.25);
    --border-color-focus: rgba(189, 0, 255, 0.65);
    --text-main: #f3e8ff;
    --text-muted: #8872a3;
    --text-highlight: #f0abff;
    --accent-color: #bd00ff;
    --accent-rgb: 189, 0, 255;
    --accent-glow: 0 0 15px rgba(189, 0, 255, 0.4);
    
    --card-bg: rgba(26, 12, 48, 0.5);
    --input-bg: rgba(12, 6, 22, 0.8);
    --btn-secondary-bg: rgba(42, 20, 76, 0.5);
    --btn-secondary-hover: rgba(42, 20, 76, 0.8);
    --btn-primary-bg: #bd00ff;
    --btn-primary-text: #ffffff;
    --btn-primary-hover: #d54dff;
    --btn-primary-glow: 0 0 20px rgba(189, 0, 255, 0.5);

    --svg-hub-fill: rgba(16, 8, 30, 0.9);
    --svg-hub-stroke: rgba(189, 0, 255, 0.35);
    --svg-hub-glow: 0 0 12px rgba(189, 0, 255, 0.3);
    --svg-outer-ring-stroke: rgba(189, 0, 255, 0.2);
    --svg-ticks-stroke: rgba(189, 0, 255, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(189, 0, 255, 0.15);
}

/* Rome Theme Colors */
.theme-roma {
    --bg-app: #120203;
    --bg-sidebar: rgba(30, 4, 6, 0.8);
    --border-color: rgba(255, 215, 0, 0.25);
    --border-color-focus: rgba(255, 215, 0, 0.65);
    --text-main: #fff4e0;
    --text-muted: #957678;
    --text-highlight: #ffeab3;
    --accent-color: #ffd700;
    --accent-rgb: 255, 215, 0;
    --accent-glow: 0 0 15px rgba(255, 215, 0, 0.4);
    
    --card-bg: rgba(42, 6, 9, 0.5);
    --input-bg: rgba(20, 3, 4, 0.8);
    --btn-secondary-bg: rgba(62, 10, 14, 0.5);
    --btn-secondary-hover: rgba(62, 10, 14, 0.8);
    --btn-primary-bg: #ffd700;
    --btn-primary-text: #1a0305;
    --btn-primary-hover: #ffea5d;
    --btn-primary-glow: 0 0 20px rgba(255, 215, 0, 0.5);

    --svg-hub-fill: rgba(30, 4, 6, 0.9);
    --svg-hub-stroke: rgba(255, 215, 0, 0.35);
    --svg-hub-glow: 0 0 12px rgba(255, 215, 0, 0.3);
    --svg-outer-ring-stroke: rgba(255, 215, 0, 0.2);
    --svg-ticks-stroke: rgba(255, 215, 0, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(255, 215, 0, 0.15);
}

/* Egypt Theme Colors */
.theme-egipto {
    --bg-app: #0f0901;
    --bg-sidebar: rgba(28, 16, 3, 0.8);
    --border-color: rgba(255, 170, 0, 0.25);
    --border-color-focus: rgba(255, 170, 0, 0.65);
    --text-main: #ffebd1;
    --text-muted: #8e7c65;
    --text-highlight: #ffdd99;
    --accent-color: #ffaa00;
    --accent-rgb: 255, 170, 0;
    --accent-glow: 0 0 15px rgba(255, 170, 0, 0.4);
    
    --card-bg: rgba(38, 22, 4, 0.5);
    --input-bg: rgba(20, 11, 2, 0.8);
    --btn-secondary-bg: rgba(54, 32, 6, 0.5);
    --btn-secondary-hover: rgba(54, 32, 6, 0.8);
    --btn-primary-bg: #ffaa00;
    --btn-primary-text: #140b01;
    --btn-primary-hover: #ffc240;
    --btn-primary-glow: 0 0 20px rgba(255, 170, 0, 0.5);

    --svg-hub-fill: rgba(28, 16, 3, 0.9);
    --svg-hub-stroke: rgba(255, 170, 0, 0.35);
    --svg-hub-glow: 0 0 12px rgba(255, 170, 0, 0.3);
    --svg-outer-ring-stroke: rgba(255, 170, 0, 0.2);
    --svg-ticks-stroke: rgba(255, 170, 0, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(255, 170, 0, 0.15);
}

/* Music Theme Colors */
.theme-musica {
    --bg-app: #03040b;
    --bg-sidebar: rgba(8, 10, 28, 0.8);
    --border-color: rgba(255, 0, 127, 0.25);
    --border-color-focus: rgba(255, 0, 127, 0.65);
    --text-main: #ffe6f2;
    --text-muted: #7d6b83;
    --text-highlight: #ff99d2;
    --accent-color: #ff007f;
    --accent-rgb: 255, 0, 127;
    --accent-glow: 0 0 15px rgba(255, 0, 127, 0.4);
    
    --card-bg: rgba(12, 16, 42, 0.5);
    --input-bg: rgba(6, 8, 22, 0.8);
    --btn-secondary-bg: rgba(22, 30, 72, 0.5);
    --btn-secondary-hover: rgba(22, 30, 72, 0.8);
    --btn-primary-bg: #ff007f;
    --btn-primary-text: #ffffff;
    --btn-primary-hover: #ff4d9e;
    --btn-primary-glow: 0 0 20px rgba(255, 0, 127, 0.5);

    --svg-hub-fill: rgba(8, 10, 28, 0.9);
    --svg-hub-stroke: rgba(255, 0, 127, 0.35);
    --svg-hub-glow: 0 0 12px rgba(255, 0, 127, 0.3);
    --svg-outer-ring-stroke: rgba(255, 0, 127, 0.2);
    --svg-ticks-stroke: rgba(255, 0, 127, 0.3);
    --svg-step-inactive-fill: rgba(0, 0, 0, 0.25);
    --svg-step-inactive-stroke: rgba(255, 0, 127, 0.15);
}

    --svg-step-inactive-stroke: rgba(224, 153, 36, 0.12);
}
/* Base resets & styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* Scrollbar styles for webkit browsers */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-color-focus);
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-app);
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    transition: background-color var(--transition-slow);
}

/* Layout */
#app {
    display: grid;
    grid-template-columns: 360px 1fr;
    height: 100vh;
    width: 100vw;
}

/* Glassmorphism utility panel */
.glass-panel {
    background: var(--bg-sidebar);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--border-color);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
    z-index: 10;
}

/* Sidebar Styling */
#sidebar {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
    padding: 1.5rem;
    gap: 1.5rem;
}

.sidebar-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.75rem;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(var(--accent-rgb), 0.5);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 1px;
    color: var(--text-main);
}

.logo-text span {
    color: var(--accent-color);
    text-shadow: 0 0 8px rgba(var(--accent-rgb), 0.4);
}

.subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.25rem;
}

/* Control Group styles */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.group-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-highlight);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-left: 2px solid var(--accent-color);
    padding-left: 0.5rem;
}

.control-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-item label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-main);
}

.label-with-value {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: var(--font-display);
    font-weight: 600;
    min-width: 25px;
    text-align: center;
}

/* Select wrapper styling */
.select-wrapper {
    position: relative;
    width: 100%;
}

select {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.6rem 2.5rem 0.6rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: var(--font-primary);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

select:focus {
    border-color: var(--border-color-focus);
    box-shadow: 0 0 8px rgba(var(--accent-rgb), 0.2);
}

.select-arrow {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Range input customization */
.range-container {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    height: 30px;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: var(--accent-glow);
    border: 2px solid var(--text-main);
    transition: transform var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: var(--accent-glow);
    border: 2px solid var(--text-main);
    transition: transform var(--transition-fast);
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Button styles */
.btn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    outline: none;
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.2);
}

.btn-primary:hover {
    background-color: var(--btn-primary-hover);
    box-shadow: var(--btn-primary-glow);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
    border-color: var(--border-color-focus);
}

.btn-block {
    width: 100%;
}

/* Simulating Button active/inactive text states */
#btn-simulate .sim-stop-text {
    display: none;
}

#btn-simulate.simulating {
    background-color: #ff3355;
    color: #ffffff;
    box-shadow: 0 0 20px rgba(255, 51, 85, 0.4);
}

#btn-simulate.simulating:hover {
    background-color: #ff5c77;
    box-shadow: 0 0 25px rgba(255, 51, 85, 0.6);
}

#btn-simulate.simulating .sim-play-text {
    display: none;
}

#btn-simulate.simulating .sim-stop-text {
    display: block;
}

/* Roster / Player list section */
.roster-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 250px;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.roster-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box input {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 0.75rem 0.5rem 2rem;
    border-radius: 6px;
    font-size: 0.8rem;
    outline: none;
    transition: all var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--border-color-focus);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.roster-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-right: 0.25rem;
}

/* Roster Item (Player row) */
.roster-item {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 6px;
    gap: 0.5rem;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.roster-item:hover {
    border-color: var(--border-color-focus);
    background: rgba(var(--accent-rgb), 0.05);
}

.roster-color-indicator {
    position: relative;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    flex-shrink: 0;
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 0 6px var(--p-glow-color, rgba(255,255,255,0.3));
    display: flex;
    align-items: center;
    justify-content: center;
}

.roster-color-picker {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.roster-color-badge-text {
    font-size: 0.65rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.8);
    pointer-events: none;
}

.roster-name-input {
    flex: 1;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-main);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    outline: none;
    min-width: 0;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.roster-name-input:focus {
    background: var(--input-bg);
    border-color: var(--border-color);
}

.roster-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.roster-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.roster-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.1);
}

.roster-btn:disabled {
    color: rgba(255, 255, 255, 0.1);
    cursor: not-allowed;
    background: transparent;
}

.roster-step-badge {
    font-size: 0.75rem;
    font-family: var(--font-display);
    font-weight: 600;
    min-width: 28px;
    text-align: center;
    color: var(--accent-color);
}


/* Main Content / Arena Display Area */
#main-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

#stage-container {
    width: 100%;
    height: 100%;
    max-width: 92vh;
    max-height: 92vh;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

#stage-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Backdrop stage container that holds background image */
#stage {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 
                inset 0 0 80px rgba(0, 0, 0, 0.6);
    border-radius: 4px;
    transition: background-image var(--transition-slow);
    overflow: hidden;
}

/* Background classes linked to the selected theme */
.stage-bg-futurista {
    background-image: url('assets/Ejemplo fondo Futurista.png');
}

.stage-bg-arena {
    background-image: url('assets/Ejemplo fondo Arena.png');
}

.stage-bg-filosofia {
    background-image: url('assets/fondo_filosofia.png');
}

.stage-bg-matematicas {
    background-image: url('assets/fondo_matematicas.png');
}

.stage-bg-derecho {
    background-image: url('assets/fondo_derecho.png');
}

.stage-bg-medicina {
    background-image: url('assets/fondo_medicina.png');
}

.stage-bg-quimica {
    background-image: url('assets/fondo_quimica.png');
}

.stage-bg-informatica {
    background-image: url('assets/fondo_informatica.png');
}

.stage-bg-fisica {
    background-image: url('assets/fondo_fisica.png');
}

.stage-bg-roma {
    background-image: url('assets/fondo_roma.png');
}

.stage-bg-egipto {
    background-image: url('assets/fondo_egipto.png');
}

.stage-bg-musica {
    background-image: url('assets/fondo_musica.png');
}


/* SVG overlay container */
#stage-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    user-select: none;
}

/* SVG Element styling */
.svg-central-hub {
    fill: var(--svg-hub-fill);
    stroke: var(--svg-hub-stroke);
    stroke-width: 3;
    filter: drop-shadow(0 0 8px rgba(var(--accent-rgb), 0.3));
    transition: stroke var(--transition-normal), fill var(--transition-normal);
}

.svg-central-dotted-ring {
    fill: none;
    stroke: var(--svg-hub-stroke);
    stroke-width: 2;
    stroke-dasharray: 6, 6;
    opacity: 0.7;
    transition: stroke var(--transition-normal);
}

.svg-central-star {
    fill: none;
    stroke: var(--svg-hub-stroke);
    stroke-width: 3;
    transition: all var(--transition-normal);
}

.svg-central-star.won {
    fill: var(--winner-color, var(--accent-color));
    stroke: #ffffff;
    stroke-width: 2;
    filter: drop-shadow(0 0 15px var(--winner-color));
}

.svg-outer-ring {
    fill: none;
    stroke: var(--svg-outer-ring-stroke);
    stroke-width: 1.5;
    transition: stroke var(--transition-normal);
}

.svg-outer-ring-divider {
    stroke: var(--svg-ticks-stroke);
    stroke-width: 1;
    opacity: 0.6;
    transition: stroke var(--transition-normal);
}

/* Pathway step styling */
.svg-step {
    cursor: pointer;
    transition: all var(--transition-normal);
}

.svg-step.inactive {
    fill: var(--svg-step-inactive-fill);
    stroke: var(--svg-step-inactive-stroke);
    stroke-width: 1.2;
}

.svg-step.inactive:hover {
    stroke: rgba(255, 255, 255, 0.4);
    fill: rgba(255, 255, 255, 0.05);
}

.svg-step.active {
    fill: rgba(var(--p-rgb), 0.45);
    stroke: var(--p-color);
    stroke-width: 2.2;
    filter: drop-shadow(0 0 8px var(--p-color));
}

.svg-step.active:hover {
    fill: rgba(var(--p-rgb), 0.6);
    filter: drop-shadow(0 0 12px var(--p-color));
}

/* Player base circle starting pad */
.svg-player-base {
    cursor: pointer;
    fill: rgba(0, 0, 0, 0.65);
    stroke: var(--p-color);
    stroke-width: 3;
    filter: drop-shadow(0 0 6px var(--p-color));
    transition: all var(--transition-normal);
}

.svg-player-base:hover {
    filter: drop-shadow(0 0 12px var(--p-color));
    stroke-width: 3.5;
}

/* Player avatar label inside starting circle */
.svg-player-label {
    font-family: var(--font-display);
    font-weight: 700;
    fill: #ffffff;
    pointer-events: none;
    text-shadow: 0 1px 4px rgba(0,0,0,0.8);
    transition: font-size var(--transition-normal);
}

/* Active Highlight Group */
.svg-lane-group:hover .svg-player-base {
    stroke-width: 4;
    filter: drop-shadow(0 0 14px var(--p-color));
}

/* Tooltip style */
.tooltip {
    position: absolute;
    background: rgba(10, 16, 26, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color-focus);
    color: var(--text-main);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    pointer-events: none;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    transition: opacity var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.tooltip.hidden {
    opacity: 0;
}

.tooltip-name {
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--tooltip-p-color, var(--text-highlight));
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tooltip-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--tooltip-p-color);
    box-shadow: 0 0 6px var(--tooltip-p-color);
}

.tooltip-progress {
    color: var(--text-main);
    font-size: 0.75rem;
}

/* Victory Overlay animations */
@keyframes victory-glow {
    0% { filter: drop-shadow(0 0 5px var(--winner-color)); }
    50% { filter: drop-shadow(0 0 25px var(--winner-color)); }
    100% { filter: drop-shadow(0 0 5px var(--winner-color)); }
}

.victory-active {
    animation: victory-glow 2s infinite ease-in-out;
}