/**
 * Base.css - Foundation styles
 * @version 0.1.0
 */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg-dark: #0a0a12;
    --color-bg-medium: #0d1520;
    --color-bg-light: #1a2530;
    
    --color-border: #1a3a4a;
    --color-border-light: #3a5a6a;
    
    --color-text-primary: #cce0ee;
    --color-text-secondary: #7ab;
    --color-text-dim: #5a8a9a;
    
    --color-accent-cyan: #00ffcc;
    --color-accent-blue: #00ccff;
    --color-accent-yellow: #ffcc00;
    
    --color-success: #00ff88;
    --color-warning: #ffaa22;
    --color-danger: #ff4466;
    
    /* Typography */
    --font-main: 'Courier New', Courier, monospace;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base */
html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    font-size: 14px;
    line-height: 1.5;
    overflow-y: auto;
    overflow-x: hidden;
}

/* App container */
#app {
    width: 100%;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* Loading screen */
.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
}

.loading-screen h1 {
    font-size: 48px;
    color: var(--color-accent-cyan);
    letter-spacing: 8px;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 0 20px rgba(0, 255, 204, 0.5);
}

.loading-screen p {
    color: var(--color-text-secondary);
    margin: var(--spacing-sm) 0;
}

.loading-screen .status {
    color: var(--color-success);
}

.loading-screen .next {
    color: var(--color-accent-yellow);
    margin-top: var(--spacing-lg);
}

/* Utility classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-success {
    color: var(--color-success);
}

.text-warning {
    color: var(--color-warning);
}

.text-danger {
    color: var(--color-danger);
}

/* Game Screen */
.game-screen {
    padding: var(--spacing-lg);
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    min-height: 100vh;
    width: 100%;
    box-sizing: border-box;
}

.game-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.game-title {
    color: var(--color-accent-cyan);
    margin-bottom: var(--spacing-sm);
}

.game-version {
    color: var(--color-text-dim);
}

.game-container {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    padding: 0 var(--spacing-md);
}

@media (min-width: 901px) {
    .game-container {
        padding: 0;
    }
}

/* Wave Display */
.wave-display-container {
    background: var(--color-bg-medium);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
    position: relative;
    min-height: 200px;
    overflow: hidden; /* Prevent canvas from overflowing */
}

#waveCanvas {
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    /* Canvas will be sized by JavaScript, but CSS ensures it's responsive */
}

/* Controls Grid */
.controls-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Control Panel */
.control-panel {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.control-panel h3 {
    color: var(--color-accent-blue);
    margin-bottom: var(--spacing-sm);
}

/* Form Controls */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.form-input-range {
    width: 100%;
}

/* Checkbox Group */
.checkbox-group {
    margin-bottom: var(--spacing-sm);
}

.checkbox-group label {
    color: var(--color-text-primary);
    cursor: pointer;
}

/* Button Container */
.button-container {
    margin-top: var(--spacing-md);
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-accent-blue);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 14px;
    transition: background 0.2s;
}

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

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

.btn-full {
    width: 100%;
}

.btn-danger {
    background: var(--color-danger);
}

.btn-danger:hover {
    background: #cc3355;
}

.btn-group {
    margin-top: var(--spacing-sm);
}

.btn-group .btn {
    margin-right: var(--spacing-sm);
}

.btn-group .btn:last-child {
    margin-right: 0;
}

/* Game State Panel */
.game-state-panel {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.game-state-panel h3 {
    color: var(--color-accent-blue);
    margin-bottom: var(--spacing-sm);
}

.game-state-panel p {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

/* Responsive breakpoints */
@media (max-width: 1200px) {
    .game-container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 1000px) {
    .game-container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 900px) {
    .controls-grid {
        grid-template-columns: 1fr;
    }
    
    .wave-display-container {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .game-screen {
        padding: var(--spacing-md);
    }
    
    .game-header {
        margin-bottom: var(--spacing-md);
    }
    
    .game-title {
        font-size: 32px;
    }
    
    .wave-display-container {
        padding: var(--spacing-md);
        min-height: 250px;
    }
    
    .control-panel {
        padding: var(--spacing-sm);
    }
    
    .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .btn-group .btn {
        flex: 1;
        min-width: 100px;
        margin-right: 0;
    }
}

@media (max-width: 480px) {
    .game-screen {
        padding: var(--spacing-sm);
    }
    
    .game-title {
        font-size: 24px;
        letter-spacing: 2px;
    }
    
    .game-version {
        font-size: 12px;
    }
    
    .wave-display-container {
        padding: var(--spacing-sm);
        min-height: 200px;
    }
    
    .control-panel h3 {
        font-size: 16px;
    }
    
    .btn {
        font-size: 12px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .btn-group .btn {
        min-width: 80px;
    }
}

/* ============================================
   VERSION 0.6.0 - UI LAYOUT STRUCTURE
   ============================================ */

/* UI Container */
.ui-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100vh;
}

/* === Top Bar === */
.top-bar {
    min-height: 50px;
    height: auto;
    background: var(--color-bg-medium);
    border-bottom: 2px solid var(--color-border);
    display: grid;
    grid-template-columns: minmax(160px, 220px) 1fr minmax(120px, 140px);
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    flex-shrink: 0;
    gap: var(--spacing-sm);
    overflow: hidden;
}

/* Top Bar Left - Title/Version/Changelog */
.top-bar-left {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.title-section {
    display: flex;
    flex-direction: column;
}

.top-bar-left .game-title {
    font-size: clamp(14px, 1.5vw, 20px);
    color: var(--color-accent-cyan);
    font-weight: bold;
    letter-spacing: 1px;
    margin: 0 0 var(--spacing-xs) 0;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.title-bottom {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.title-bottom .version {
    color: var(--color-text-dim);
    font-size: clamp(9px, 0.8vw, 11px);
    white-space: nowrap;
}

.btn-text {
    background: none;
    border: none;
    color: var(--color-accent-blue);
    font-size: clamp(9px, 0.8vw, 11px);
    cursor: pointer;
    padding: 2px 4px;
    text-decoration: underline;
    font-family: var(--font-main);
    white-space: nowrap;
}

.btn-text:hover {
    color: var(--color-accent-cyan);
}

/* Top Bar Center - Main Navigation */
.top-bar-center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
    overflow: hidden;
}

.main-nav {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
}

.main-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-light);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    min-width: 60px;
    max-width: 90px;
    flex: 0 1 auto;
    font-family: var(--font-main);
    font-size: clamp(10px, 0.9vw, 12px);
}

.main-nav-btn .nav-icon {
    font-size: clamp(16px, 1.5vw, 20px);
}

.main-nav-btn span:not(.nav-icon) {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.main-nav-btn:hover {
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    border-color: var(--color-border-light);
}

.main-nav-btn.active {
    border-color: var(--color-accent-blue);
    background: rgba(0, 204, 255, 0.1);
    color: var(--color-accent-blue);
}

/* Top Bar Right - 3x3 Menu Grid */
.top-bar-right {
    display: flex;
    justify-content: flex-end;
    min-width: 0;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(28px, auto));
    gap: 2px;
    width: 100%;
    max-width: 120px;
}

.menu-btn {
    width: 100%;
    height: 100%;
    min-height: 32px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: clamp(9px, 0.9vw, 10px);
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px 4px;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.menu-btn:hover:not(.menu-btn-empty) {
    background: var(--color-border);
    border-color: var(--color-border-light);
    transform: scale(1.05);
}

.menu-btn:active:not(.menu-btn-empty) {
    transform: scale(0.95);
}

.menu-btn-empty {
    background: transparent;
    border-color: transparent;
    cursor: default;
}

/* === Main Area === */
.main-area {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--color-bg-dark);
    min-height: 0;
}

.screen-container {
    width: 100%;
    height: 100%;
    padding: var(--spacing-lg);
}

/* === Bottom Bar === */
.bottom-bar {
    min-height: 40px;
    height: auto;
    background: var(--color-bg-medium);
    border-top: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    flex-shrink: 0;
    overflow: hidden;
}

.bottom-stats {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: clamp(10px, 0.9vw, 12px);
}

.stat-value {
    color: var(--color-text-primary);
    font-weight: bold;
    font-size: clamp(11px, 1vw, 14px);
}

/* === Calibration Screen === */
.calibration-screen {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-lg);
    height: calc(100vh - 100px - var(--spacing-lg) * 2);
    max-height: calc(100vh - 100px - var(--spacing-lg) * 2);
}

.wave-display-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    min-height: 0;
}

/* Journey Info Panel */
.journey-info-panel {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-around;
    flex-shrink: 0;
}

.journey-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.journey-label {
    font-size: 11px;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.journey-value {
    font-size: 18px;
    color: var(--color-accent-cyan);
    font-weight: bold;
}

/* Wave Display Panel */
.wave-display-panel {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.panel-header h2 {
    color: var(--color-accent-blue);
    font-size: 16px;
    font-weight: bold;
    margin: 0;
}

.display-controls {
    display: flex;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 11px;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

.wave-canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-dark);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    min-height: 0;
    position: relative;
    width: 100%;
}

#wave-canvas {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    display: block;
}

/* Coherence Inline Display */
.coherence-inline {
    margin-top: var(--spacing-md);
    flex-shrink: 0;
}

.coherence-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.coherence-label {
    font-size: 11px;
    color: var(--color-text-secondary);
    letter-spacing: 1px;
}

.coherence-value {
    font-size: 20px;
    font-weight: bold;
    color: var(--color-text-primary);
}

.coherence-rating {
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
}

.rating-excellent { color: var(--color-success); }
.rating-good { color: var(--color-accent-blue); }
.rating-ok { color: var(--color-accent-yellow); }
.rating-poor { color: var(--color-warning); }
.rating-critical { color: var(--color-danger); }

.coherence-bar-container {
    width: 100%;
    height: 20px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.coherence-bar {
    height: 100%;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.coherence-bar.rating-excellent { background: var(--color-success); }
.coherence-bar.rating-good { background: var(--color-accent-blue); }
.coherence-bar.rating-ok { background: var(--color-accent-yellow); }
.coherence-bar.rating-poor { background: var(--color-warning); }
.coherence-bar.rating-critical { background: var(--color-danger); }

/* Generators Panel */
.generators-panel {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    overflow-y: auto;
    min-height: 0;
}

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

.generator-control {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
}

.generator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.generator-name {
    font-weight: bold;
    color: var(--color-text-primary);
    font-size: 12px;
}

.generator-tier {
    font-size: 10px;
    color: var(--color-accent-blue);
    padding: 2px 6px;
    background: rgba(0, 204, 255, 0.1);
    border-radius: var(--radius-sm);
}

.control-group {
    margin-bottom: var(--spacing-sm);
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-size: 10px;
    color: var(--color-text-secondary);
}

.control-value {
    color: var(--color-accent-blue);
    font-weight: bold;
}

.control-slider {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--color-bg-dark);
    outline: none;
    -webkit-appearance: none;
}

.control-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent-blue);
    cursor: pointer;
    transition: background 0.15s ease;
}

.control-slider::-webkit-slider-thumb:hover {
    background: var(--color-accent-cyan);
}

.control-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent-blue);
    cursor: pointer;
    border: none;
}

.no-generators {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-dim);
    font-size: 12px;
}

/* === Fleet Screen === */
.fleet-screen {
    height: 100%;
}

.ships-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* === Other Screens === */
.retirement-screen,
.contracts-screen,
.shop-screen {
    height: 100%;
}

.retirement-content,
.contracts-list,
.shop-content {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    min-height: 400px;
}

.ship-card {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: border-color 0.2s;
}

.ship-card:hover {
    border-color: var(--color-border-light);
}

.ship-card.active {
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.3);
}

.ship-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.ship-card-header h3 {
    color: var(--color-accent-cyan);
    margin: 0;
}

.ship-class {
    color: var(--color-text-dim);
    font-size: 12px;
    text-transform: uppercase;
}

.ship-card-body {
    margin-bottom: var(--spacing-md);
}

.ship-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 13px;
}

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

.ship-card-footer {
    display: flex;
    justify-content: flex-end;
}

.btn-primary {
    background: var(--color-accent-cyan);
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    background: var(--color-accent-blue);
}

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

.btn-secondary:hover {
    border-color: var(--color-accent-cyan);
    color: var(--color-accent-cyan);
}

/* Contracts & Shop Screens */
.contracts-screen,
.shop-screen {
    height: 100%;
}

.contracts-list,
.shop-content {
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    min-height: 400px;
}

/* Messages */
.error-message,
.info-message {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-dim);
    font-size: 16px;
}

.error-message {
    color: var(--color-danger);
}

/* Notifications */
.notification {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    background: var(--color-bg-medium);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    transform: translateX(400px);
    transition: transform 0.3s;
    z-index: 1000;
    max-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

.notification-info { border-left: 4px solid var(--color-accent-blue); }
.notification-success { border-left: 4px solid var(--color-success); }
.notification-warning { border-left: 4px solid var(--color-warning); }
.notification-error { border-left: 4px solid var(--color-danger); }

/* === Responsive Breakpoints === */
@media (max-width: 1400px) {
    .top-bar {
        grid-template-columns: minmax(150px, 200px) 1fr minmax(100px, 120px);
    }
    
    .menu-grid {
        max-width: 110px;
    }
}

@media (max-width: 1200px) {
    .top-bar {
        grid-template-columns: 150px 1fr 110px;
    }
    
    .main-nav {
        gap: 4px;
    }
    
    .main-nav-btn {
        min-width: 50px;
        padding: 4px 6px;
    }
    
    .menu-grid {
        max-width: 100px;
        gap: 2px;
    }
    
    .menu-btn {
        min-height: 28px;
        font-size: 9px;
    }
    
    .bottom-stats {
        gap: var(--spacing-sm);
    }
    
    .calibration-screen {
        grid-template-columns: 1fr 280px;
    }
}

@media (max-width: 1000px) {
    .top-bar {
        grid-template-columns: 130px 1fr 100px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .top-bar-left .game-title {
        letter-spacing: 0.5px;
    }
    
    .menu-grid {
        max-width: 95px;
    }
    
    .menu-btn {
        min-height: 26px;
    }
    
    .main-nav-btn .nav-icon {
        font-size: 16px;
    }
}

@media (max-width: 900px) {
    .calibration-screen {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        height: calc(100vh - 90px - var(--spacing-lg) * 2);
    }
    
    .generators-panel {
        max-height: 300px;
    }
    
    .ships-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 800px) {
    .top-bar {
        grid-template-columns: 110px 1fr 90px;
    }
    
    /* Hide text labels on nav buttons, show only icons */
    .main-nav-btn span:not(.nav-icon) {
        display: none;
    }
    
    .main-nav-btn {
        min-width: 40px;
    }
    
    .menu-grid {
        max-width: 85px;
    }
    
    .menu-btn {
        min-height: 24px;
        font-size: 8px;
        padding: 1px 2px;
    }
    
    .bottom-stats {
        gap: var(--spacing-xs);
    }
    
    .stat-item {
        gap: 2px;
    }
}

@media (max-width: 768px) {
    .screen-container {
        padding: var(--spacing-md);
    }
}

@media (max-width: 600px) {
    .top-bar {
        grid-template-columns: 90px 1fr 80px;
        padding: var(--spacing-xs);
    }
    
    .title-bottom {
        gap: 2px;
    }
    
    .btn-text {
        padding: 1px 2px;
    }
    
    .main-nav {
        gap: 2px;
    }
    
    .main-nav-btn {
        padding: 2px 4px;
        min-width: 35px;
    }
    
    .menu-grid {
        max-width: 75px;
        gap: 1px;
    }
    
    .menu-btn {
        min-height: 22px;
        font-size: 7px;
        padding: 1px;
    }
    
    /* Hide some stats on very small screens */
    .stat-item:nth-child(n+4) {
        display: none;
    }
    
    .calibration-screen {
        height: calc(100vh - 70px - var(--spacing-md) * 2);
    }
    
    .screen-container {
        padding: var(--spacing-md);
    }
    
    .journey-info-panel {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ============================================
   VERSION 0.11.1 - EARLY GAME CLEANUP
   ============================================ */

.top-bar {
    grid-template-columns: minmax(170px, 220px) minmax(420px, 620px) minmax(120px, 140px);
}

.top-bar-center {
    width: 100%;
}

.main-nav {
    display: grid;
    grid-template-columns: repeat(4, minmax(96px, 1fr));
    gap: var(--spacing-sm);
    width: 100%;
    max-width: 560px;
}

.main-nav-btn {
    justify-content: center;
    min-width: 0;
    max-width: none;
    min-height: 58px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
}

.main-nav-btn .nav-icon {
    font-size: 11px;
    letter-spacing: 1.2px;
    opacity: 0.85;
}

.main-nav-btn span:not(.nav-icon) {
    font-size: 12px;
    font-weight: bold;
}

.main-nav-btn:disabled,
.main-nav-btn.locked {
    cursor: not-allowed;
    color: rgba(122, 170, 187, 0.45);
    border-color: rgba(26, 58, 74, 0.8);
    background: rgba(26, 37, 48, 0.45);
}

.main-nav-btn.locked::after {
    content: 'LOCKED';
    font-size: 9px;
    letter-spacing: 0.8px;
    color: rgba(204, 224, 238, 0.4);
}

.bottom-stats {
    gap: 20px;
}

.calibration-screen {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 20px;
}

.journey-info-panel,
.wave-display-panel,
.generators-panel,
.ship-card,
.contracts-list,
.contract-details-panel,
.shop-content,
.shop-item,
.retirement-content {
    background: linear-gradient(180deg, rgba(11, 22, 36, 0.96), rgba(7, 15, 26, 0.98));
    border-color: rgba(30, 88, 112, 0.85);
    box-shadow: inset 0 1px 0 rgba(117, 215, 255, 0.05);
}

.journey-info-panel {
    justify-content: space-between;
    gap: var(--spacing-md);
}

.journey-stat {
    align-items: flex-start;
    min-width: 0;
}

.journey-value {
    font-size: 20px;
}

.display-controls {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.checkbox-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.coherence-inline {
    padding-top: var(--spacing-sm);
}

.coherence-info {
    justify-content: space-between;
    flex-wrap: wrap;
}

.coherence-bar-container {
    height: 16px;
}

.profile-tools {
    display: grid;
    gap: 10px;
    margin-bottom: var(--spacing-md);
    padding: 12px;
    border: 1px solid rgba(30, 88, 112, 0.85);
    border-radius: var(--radius-sm);
    background: rgba(7, 15, 26, 0.9);
}

.profile-tool-row {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    align-items: center;
}

.profile-tool-label {
    color: var(--color-text-dim);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.profile-tool-value {
    color: var(--color-text-primary);
    text-align: right;
    font-weight: bold;
}

.generator-controls {
    gap: 12px;
}

.generator-control {
    padding: 12px;
    border-color: rgba(34, 95, 122, 0.8);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.generator-control.is-isolated {
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 0 1px rgba(0, 255, 204, 0.18);
}

.generator-control.is-standby {
    opacity: 0.72;
}

.generator-header {
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.generator-title-group {
    display: grid;
    gap: 4px;
}

.generator-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.generator-color-swatch {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid rgba(34, 95, 122, 0.8);
    border-radius: 999px;
    color: var(--color-text-secondary);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.generator-color-input {
    width: 28px;
    height: 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
}

.generator-tier {
    width: fit-content;
    font-size: 10px;
    letter-spacing: 0.6px;
}

.generator-subheader {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 10px;
}

.generator-mode,
.generator-note,
.generator-toggle {
    font-size: 11px;
    color: var(--color-text-secondary);
}

.generator-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.generator-toggle input {
    accent-color: var(--color-accent-cyan);
}

.control-group {
    margin-bottom: 10px;
}

.control-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.control-slider {
    height: 6px;
}

.control-slider:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.contracts-screen,
.shop-screen,
.fleet-screen {
    display: grid;
    gap: var(--spacing-md);
}

.contracts-header,
.shop-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.contracts-header h1,
.shop-header h1 {
    font-size: 24px;
    color: var(--color-text-primary);
}

.contracts-info,
.shop-credits {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.ship-name,
.credits-label {
    color: var(--color-text-secondary);
}

.credits-value {
    color: var(--color-accent-cyan);
    font-weight: bold;
    font-size: 18px;
}

.contracts-layout {
    display: grid;
    grid-template-columns: minmax(320px, 0.95fr) minmax(340px, 1.05fr);
    gap: var(--spacing-md);
    min-height: 0;
}

.contracts-list,
.contract-details-panel {
    padding: 14px;
}

.contracts-list {
    display: grid;
    gap: 10px;
    align-content: start;
}

.contract-item {
    display: grid;
    gap: 8px;
    padding: 14px;
    border: 1px solid rgba(34, 95, 122, 0.8);
    border-radius: var(--radius-md);
    background: rgba(9, 21, 35, 0.88);
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.contract-item:hover {
    border-color: rgba(0, 204, 255, 0.7);
    transform: translateY(-1px);
}

.contract-item.selected {
    border-color: var(--color-accent-cyan);
    background: rgba(0, 204, 255, 0.09);
}

.contract-item-header,
.contract-item-info,
.contract-item-stats,
.detail-stat,
.item-header,
.item-stat,
.item-footer,
.ship-assignment-row,
.ship-generator-row {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    align-items: center;
}

.contract-name,
.contract-detail-name,
.item-name,
.ship-generator-heading {
    color: var(--color-text-primary);
    font-weight: bold;
}

.contract-reward,
.reward,
.item-price {
    color: var(--color-accent-cyan);
    font-weight: bold;
}

.contract-item-info,
.contract-item-stats,
.contract-detail-description,
.item-description,
.shop-helper,
.hint,
.no-selection,
.no-contracts {
    color: var(--color-text-secondary);
}

.contract-detail {
    display: grid;
    gap: 16px;
}

.contract-detail-section {
    display: grid;
    gap: 10px;
    padding: 12px;
    border: 1px solid rgba(34, 95, 122, 0.7);
    border-radius: var(--radius-sm);
    background: rgba(7, 15, 26, 0.72);
}

.detail-stats {
    display: grid;
    gap: 8px;
}

.contract-actions {
    display: flex;
    justify-content: flex-end;
}

.shop-categories {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 180px));
    gap: 10px;
}

.category-btn {
    min-height: 42px;
    padding: 10px 14px;
    border: 1px solid rgba(34, 95, 122, 0.85);
    border-radius: var(--radius-md);
    background: rgba(9, 21, 35, 0.9);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-family: var(--font-main);
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.category-btn.active {
    color: var(--color-accent-cyan);
    border-color: var(--color-accent-blue);
    background: rgba(0, 204, 255, 0.08);
}

.shop-helper {
    margin-bottom: 14px;
}

.shop-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.shop-item {
    display: grid;
    gap: 12px;
    padding: 14px;
    border: 1px solid rgba(34, 95, 122, 0.8);
    border-radius: var(--radius-md);
}

.shop-item.locked {
    opacity: 0.6;
}

.item-header {
    align-items: flex-start;
}

.item-tier,
.locked-label,
.ship-generator-status {
    font-size: 11px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.item-stats,
.ship-generator-list {
    display: grid;
    gap: 8px;
}

.ship-card-body {
    display: grid;
    gap: 8px;
}

.ship-assignment-row {
    margin: 8px 0;
}

.ship-assignment-row label,
.ship-generator-heading {
    color: var(--color-text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.ship-route-select {
    min-width: 160px;
    padding: 8px 10px;
    border: 1px solid rgba(34, 95, 122, 0.85);
    border-radius: var(--radius-sm);
    background: rgba(7, 15, 26, 0.92);
    color: var(--color-text-primary);
    font-family: var(--font-main);
}

.ship-card-footer {
    gap: 10px;
}

.ship-card-footer .btn {
    flex: 1;
}

.btn {
    min-height: 38px;
    border-radius: var(--radius-md);
}

.btn-secondary.active,
.btn-secondary:hover {
    background: rgba(0, 204, 255, 0.08);
}

.notification {
    border-radius: var(--radius-md);
}

@media (max-width: 1200px) {
    .top-bar {
        grid-template-columns: minmax(150px, 180px) minmax(340px, 1fr) 110px;
    }

    .contracts-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .main-nav {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .main-nav-btn {
        min-height: 52px;
        padding: 6px 8px;
    }

    .calibration-screen {
        grid-template-columns: 1fr;
    }

    .shop-categories {
        grid-template-columns: 1fr;
    }
}