/* Trading Wars Base Styles */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-accent: #00ff00;
    --border-color: #333333;
    --button-bg: #333333;
    --button-hover: #444444;
    --danger-color: #ff4444;
    --success-color: #44ff44;
    --warning-color: #ffaa00;
    --info-color: #4488ff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Courier New', 'Lucida Console', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.4;
}

/* Main Navigation */
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 10px;
}

.nav-brand {
    font-size: 1.3em;
    font-weight: bold;
    color: var(--text-accent);
}

.nav-links {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 3px;
    transition: background 0.2s, color 0.2s;
}

.nav-links a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9em;
}

.nav-player {
    color: var(--text-accent);
    font-weight: bold;
}

.nav-level {
    color: var(--success-color);
    font-weight: bold;
    cursor: help;
}

.nav-credits {
    color: var(--warning-color);
}

.nav-turns {
    color: var(--info-color);
}

.nav-logout {
    color: var(--danger-color);
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid var(--danger-color);
    border-radius: 3px;
}

.nav-logout:hover {
    background: var(--danger-color);
    color: var(--bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-accent);
    text-shadow: 0 0 5px var(--text-accent);
}

h1 { font-size: 2.5em; margin-bottom: 10px; }
h2 { font-size: 2em; margin-bottom: 15px; }
h3 { font-size: 1.5em; margin-bottom: 10px; }
h4 { font-size: 1.2em; margin-bottom: 10px; }

/* Buttons */
button, .btn-action, .btn-primary, .btn-port, .btn-warp {
    background: var(--button-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s;
}

button:hover, .btn-action:hover, .btn-primary:hover, .btn-port:hover, .btn-warp:hover {
    background: var(--button-hover);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover {
    background: #5599ff;
}

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

.btn-attack:hover {
    background: #ff6666;
}

.btn-trade-buy {
    background: var(--success-color);
    border-color: var(--success-color);
    color: #000;
}

.btn-trade-sell {
    background: var(--warning-color);
    border-color: var(--warning-color);
    color: #000;
}

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

/* Forms */
input, select, textarea {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px;
    font-family: inherit;
    font-size: 14px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--text-accent);
    box-shadow: 0 0 5px var(--text-accent);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Messages */
.flash-message, .error-message, .success-message {
    padding: 15px;
    margin: 20px 0;
    border: 1px solid;
    border-radius: 4px;
}

.error-message, .flash-message.error {
    background: #330000;
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.success-message, .flash-message.success {
    background: #003300;
    color: var(--success-color);
    border-color: var(--success-color);
}

.flash-message.info {
    background: #003366;
    color: var(--info-color);
    border-color: var(--info-color);
}

/* Login Page */
.login-container {
    max-width: 1000px;
    margin: 50px auto;
    padding: 20px;
}

.game-header {
    text-align: center;
    margin-bottom: 40px;
}

.game-header h1 {
    font-size: 3em;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.2em;
    color: var(--text-secondary);
    margin: 0;
}

.auth-forms {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.auth-form {
    background: var(--bg-secondary);
    padding: 30px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.auth-form h3 {
    margin-top: 0;
    text-align: center;
}

.game-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.info-section {
    background: var(--bg-secondary);
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.info-section h4 {
    margin-top: 0;
}

.info-section ul {
    margin: 10px 0;
    padding-left: 20px;
}

.info-section li {
    margin-bottom: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    .auth-forms {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 10px;
    }
    
    .game-header h1 {
        font-size: 2em;
    }
    
    .tagline {
        font-size: 1em;
    }
}