/* ===== MODERN DICETALES CSS ===== */
/* DiceTales: The Quantum Relay - Modern UI Design */

/* ===== CSS VARIABLES ===== */
:root {
    /* Modern Color Palette - Sci-Fi Theme */
    --primary-color: #4A90E2;
    --primary-light: #6BA3F0;
    --primary-dark: #2E5A87;
    --secondary-color: #F39C12;
    --secondary-light: #F5B041;
    --secondary-dark: #D68910;
    --accent-color: #E74C3C;
    --accent-light: #EC7063;
    
    /* Modern Dark Theme */
    --background-primary: #0A0E27;
    --background-secondary: #1A1D3A;
    --background-tertiary: #2A2F4F;
    --surface-primary: #252A4A;
    --surface-secondary: #3A4073;
    --surface-tertiary: #4A5085;
    
    /* Modern Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B8BCC8;
    --text-muted: #8B93A1;
    --text-inverse: #1A1D3A;
    
    /* Status Colors */
    --success-color: #27AE60;
    --warning-color: #F39C12;
    --error-color: #E74C3C;
    --info-color: #3498DB;
    
    /* Border & Shadow */
    --border-color: rgba(184, 188, 200, 0.2);
    --border-light: rgba(184, 188, 200, 0.1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
    
    /* Modern Typography */
    --font-family-primary: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-family-heading: 'Orbitron', 'Inter', sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Modern Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Modern Layout */
    --border-radius-sm: 6px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Animation Variables */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Glass Effect */
    --glass-bg: rgba(37, 42, 74, 0.4);
    --glass-border: rgba(184, 188, 200, 0.1);
    --glass-backdrop: blur(20px);
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 100%);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(74, 144, 226, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(243, 156, 18, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(231, 76, 60, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundFlow 20s ease-in-out infinite;
}

/* ===== ANIMATIONS ===== */
@keyframes backgroundFlow {
    0%, 100% { transform: scale(1) rotate(0deg); }
    33% { transform: scale(1.1) rotate(1deg); }
    66% { transform: scale(0.9) rotate(-1deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(74, 144, 226, 0.3); }
    50% { box-shadow: 0 0 40px rgba(74, 144, 226, 0.6); }
}

@keyframes loadingProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: var(--transition-smooth);
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    animation: slideUp 0.8s ease-out;
}

.loading-dice {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    animation: spin 2s linear infinite;
}

.loading-screen h1 {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loading-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.loading-status {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: var(--surface-secondary);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto var(--spacing-lg);
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0%;
    border-radius: 2px;
    animation: loadingProgress 3s ease-in-out infinite;
}

.loading-tips {
    margin-top: var(--spacing-xl);
}

.loading-tip {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-style: italic;
}

/* ===== APP LAYOUT ===== */
.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===== HEADER ===== */
.app-header {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.dice-icon {
    font-size: var(--font-size-3xl);
    animation: pulse 2s ease-in-out infinite;
}

.header-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    background: var(--surface-primary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
}

.nav-btn:hover {
    background: var(--surface-secondary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-btn .icon {
    font-size: var(--font-size-base);
}

.nav-text {
    display: none;
}

/* ===== SCREENS ===== */
.screen {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.screen.hidden {
    display: none !important;
}

/* ===== CHARACTER CREATION ===== */
.character-creation-screen {
    animation: fadeIn 0.5s ease-out;
}

.creation-container {
    max-width: 800px;
    margin: 0 auto;
}

.creation-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.creation-header h1 {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.creation-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    gap: var(--spacing-md);
}

.step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-weight: 600;
    transition: var(--transition-smooth);
    position: relative;
}

.step.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 20px rgba(74, 144, 226, 0.4);
}

.step.completed {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.step::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: var(--spacing-md);
    height: 2px;
    background: var(--border-color);
    transform: translateY(-50%);
}

.step:last-child::after {
    display: none;
}

.creation-content {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.creation-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
}

/* ===== GAME SCREEN ===== */
.game-screen {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
    animation: fadeIn 0.5s ease-out;
}

.story-section {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    min-height: 500px;
}

.story-display {
    height: 100%;
    overflow-y: auto;
}

.story-content {
    line-height: 1.8;
    font-size: var(--font-size-lg);
}

.controls-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.dice-container,
.input-section {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
}

.character-status {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    height: fit-content;
}

/* ===== STORY & DICE WAITING STATES ===== */
.story-waiting,
.dice-waiting {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.waiting-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.6;
    animation: pulse 2s ease-in-out infinite;
}

.story-waiting h3,
.dice-waiting h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.story-waiting p,
.dice-waiting p {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
    opacity: 0.8;
}

.waiting-hint,
.dice-tip {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    padding: var(--spacing-sm);
    background: var(--surface-secondary);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

/* ===== INPUT SECTION ===== */
.input-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

.input-help {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.dice-input-section {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--surface-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.dice-section-header {
    margin-bottom: var(--spacing-md);
}

.dice-section-header h4 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.dice-section-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.dice-selection {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===== CHARACTER STATUS ===== */
.status-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.status-badges {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.level-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.ai-character-btn {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    border: none;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.ai-character-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Health Bar Styles */
.health-bar {
    margin-bottom: var(--spacing-lg);
}

.health-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.health-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.health-bar-container {
    flex: 1;
    height: 20px;
    background: var(--surface-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}

.health-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-color), #2ECC71);
    transition: width 0.5s ease-out, background-color 0.3s ease;
    border-radius: inherit;
}

.health-bar-fill.low {
    background: linear-gradient(90deg, var(--warning-color), #F39C12);
}

.health-bar-fill.critical {
    background: linear-gradient(90deg, var(--error-color), #E74C3C);
    animation: pulse 1s ease-in-out infinite;
}

.health-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    min-width: 60px;
    text-align: right;
}

.stats-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs);
    background: var(--surface-secondary);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

.stat-label {
    color: var(--text-secondary);
}

.stat-value {
    color: var(--text-primary);
    font-weight: 600;
}

/* ===== BUTTONS ===== */
.btn {
    background: var(--surface-primary);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: var(--font-size-base);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    min-height: 44px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    box-shadow: var(--shadow-lg);
}

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

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #2ECC71);
    border-color: var(--success-color);
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-danger {
    background: var(--error-color);
    color: white;
    border: 1px solid var(--error-color);
}

.btn-danger:hover {
    background: #C0392B;
    border-color: #C0392B;
}

/* ===== FORM ELEMENTS ===== */
.player-input,
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--surface-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family-primary);
    transition: var(--transition-smooth);
    line-height: 1.5;
}

.player-input {
    resize: vertical;
    min-height: 100px;
}

.player-input:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
    background: var(--surface-secondary);
}

.player-input::placeholder,
.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Form Labels */
.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-help {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    line-height: 1.4;
}

/* Input Section Specific Styles */
.input-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.submit-btn {
    align-self: stretch;
    justify-content: center;
    min-height: 50px;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

/* ===== DICE ELEMENTS ===== */
.dice-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-weight: 600;
    min-width: 60px;
}

.dice-btn:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.dice-btn.active {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    animation: glow 2s ease-in-out infinite;
}

.dice-result-display {
    background: var(--surface-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 600;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (min-width: 1024px) {
    .nav-text {
        display: inline;
    }
}

@media (max-width: 1024px) {
    .game-screen {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .character-status {
        order: -1;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 var(--spacing-md);
    }
    
    .app-title {
        font-size: var(--font-size-xl);
    }
    
    .app-title span:last-child {
        display: none;
    }
    
    .header-nav {
        gap: var(--spacing-xs);
    }
    
    .nav-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .screen {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .creation-header h1 {
        font-size: var(--font-size-3xl);
    }
    
    .creation-content {
        padding: var(--spacing-lg);
    }
    
    .story-section,
    .dice-container,
    .input-section,
    .character-status {
        padding: var(--spacing-md);
    }
    
    .waiting-icon {
        font-size: 3rem;
    }
    
    .story-waiting,
    .dice-waiting {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .step-indicator {
        gap: var(--spacing-sm);
    }
    
    .step {
        width: 32px;
        height: 32px;
        font-size: var(--font-size-sm);
    }
    
    .step::after {
        width: var(--spacing-sm);
    }
    
    .creation-navigation {
        flex-direction: column;
    }
    
    .dice-selection {
        justify-content: center;
    }
    
    .dice-btn {
        min-width: 50px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .status-header {
        text-align: center;
    }
    
    .status-badges {
        justify-content: center;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.btn:focus,
.nav-btn:focus,
.dice-btn:focus,
.player-input:focus,
.form-input:focus,
.form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.fade-in { animation: fadeIn 0.5s ease-out; }
.slide-up { animation: slideUp 0.5s ease-out; }
.flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-center { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
}
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

/* ===== LOADING PARTICLES ===== */
.loading-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 4s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 30%; animation-delay: 1s; }
.particle:nth-child(3) { left: 50%; animation-delay: 2s; }
.particle:nth-child(4) { left: 70%; animation-delay: 3s; }
.particle:nth-child(5) { left: 90%; animation-delay: 0.5s; }

@keyframes float {
    0%, 100% { 
        transform: translateY(100vh) scale(0); 
        opacity: 0; 
    }
    10% { 
        opacity: 0.6; 
        transform: scale(1); 
    }
    90% { 
        opacity: 0.6; 
        transform: scale(1); 
    }
    100% { 
        transform: translateY(-100px) scale(0); 
    }
}

/* ===== STORY WAITING STATES ===== */
.story-waiting {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.story-waiting-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.4;
}

.story-waiting-title {
    margin-bottom: 15px;
    color: var(--text-primary);
}

.story-waiting-subtitle {
    margin-bottom: 25px;
    font-size: 1.1rem;
    opacity: 0.8;
}

.story-waiting-description {
    font-size: 0.9rem;
    opacity: 0.6;
}

/* ===== DICE WAITING STATES ===== */
.dice-waiting {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}

.dice-waiting-icon {
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.6;
}

.dice-waiting-title {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.dice-waiting-subtitle {
    margin-bottom: 20px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.dice-waiting-tip {
    margin-top: 15px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ===== DICE INPUT SECTION ===== */
.dice-input-section {
    margin: 15px 0;
    padding: 15px;
    background: var(--surface-secondary);
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

.dice-input-label {
    display: block;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.dice-btn:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

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

.dice-result-display {
    min-height: 40px;
    padding: 10px;
    background: var(--background-primary);
    border-radius: 4px;
    border: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== MODAL STYLES ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: var(--spacing-lg);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 90vw;
    max-height: 90vh;
    width: 600px;
    overflow: hidden;
    position: relative;
    animation: slideUp 0.3s ease-out;
}

.modal-large {
    width: 800px;
    max-width: 95vw;
}

.modal-header {
    background: var(--surface-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1;
}

.modal-header h2 {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-3xl);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--surface-secondary);
    color: var(--text-primary);
    transform: scale(1.1);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 100px);
}

/* ===== IMPORT/EXPORT MODAL STYLES ===== */
.import-export-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.export-section,
.import-section {
    padding: var(--spacing-lg);
    background: var(--surface-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
}

.export-section h3,
.import-section h3 {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.export-section p,
.import-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.export-info,
.preview-info {
    margin-bottom: var(--spacing-lg);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--surface-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

.info-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.info-value {
    color: var(--text-primary);
    font-weight: 600;
}

.divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xl) 0;
}

.import-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.file-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.selected-file {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-style: italic;
}

.import-preview {
    padding: var(--spacing-lg);
    background: var(--surface-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.import-preview h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.import-warning {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: var(--border-radius);
    color: var(--text-primary);
}

.import-warning strong {
    color: var(--error-color);
}

/* Settings Note Styling */
.settings-note {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid rgba(52, 152, 219, 0.3);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.settings-note strong {
    color: var(--primary-color);
}

/* ===== CHARACTER SELECTION SCREEN ===== */
.character-selection {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 2rem;
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 100%);
    color: var(--text-primary);
}

.selection-header {
    text-align: center;
    margin-bottom: 3rem;
}

.selection-header h1 {
    font-family: var(--font-family-heading);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.selection-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.selection-content {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.existing-characters {
    margin-bottom: 2rem;
}

.no-characters {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-style: italic;
}

.character-card {
    background: var(--surface-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.character-info {
    flex: 1;
}

.character-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.character-details {
    color: var(--text-secondary);
    margin: 0.25rem 0;
    font-size: 0.95rem;
}

.character-setting {
    color: var(--secondary-color);
    margin: 0.25rem 0;
    font-size: 0.9rem;
    font-weight: 500;
}

.last-played {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0.5rem 0 0 0;
}

.character-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.select-character-btn {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.select-character-btn:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

.delete-character-btn {
    padding: 0.5rem;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.delete-character-btn:hover {
    background: #C0392B;
    transform: scale(1.1);
}

.selection-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-top: 2rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    min-width: 200px;
    border-radius: 10px;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-large:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Responsive design for character selection */
@media (max-width: 768px) {
    .character-selection {
        padding: 1rem;
    }
    
    .selection-header h1 {
        font-size: 2rem;
    }
    
    .character-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .character-actions {
        justify-content: center;
        width: 100%;
    }
    
    .selection-actions {
        gap: 0.75rem;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}