:root {
    --font-primary: 'Inter', sans-serif;
    --color-bg-dark: #1a1a1a;
    --color-bg-medium: #2c2c2c;
    --color-bg-light: #404040;
    --color-primary: #e50914;
    --color-secondary: #ff8c00;
    --color-text-light: #f5f5f5;
    --color-text-medium: #a0a0a0;
    --color-text-dark: #1a1a1a;
    --color-border: #404040;
    --color-success: #2ecc71;
    --color-info: #3498db;
    --color-error: #e74c3c;
    --shadow-light: 0 2px 5px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 4px 10px rgba(0, 0, 0, 0.3);
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
}

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

html {
    height: 100%;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    font-size: 16px;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main.main-content {
    flex-grow: 1;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-secondary);
}

ul { list-style: none; }
img { max-width: 100%; display: block; }
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-light); }
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-primary { background-color: var(--color-primary); color: var(--color-text-light); }
.btn-primary:hover:not(:disabled) { background-color: #c40812; }
.btn-secondary { background-color: var(--color-bg-light); color: var(--color-text-light); border: 1px solid var(--color-border)}
.btn-secondary:hover:not(:disabled) { background-color: var(--color-border); }
.login-btn { background-color: var(--color-info); color: var(--color-text-light); }
.login-btn:hover:not(:disabled) { background-color: #2980b9; }
.register-btn { background: linear-gradient(90deg, var(--color-secondary), var(--color-primary)); color: var(--color-text-light); }
.register-btn:hover:not(:disabled) { opacity: 0.9; }
.icon-btn { background: none; border: 1px solid var(--color-border); color: var(--color-text-medium); padding: 8px 10px; }
.icon-btn:hover:not(:disabled) { background-color: var(--color-bg-light); color: var(--color-text-light); }

.loader {
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
    display: inline-block;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-bg-medium);
    padding: 15px 30px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.site-header .logo a {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-text-light);
    text-transform: uppercase;
}
.site-header .logo span { color: var(--color-primary); }

.site-header .user-info {
    color: var(--color-text-medium);
    display: flex;
    align-items: center;
    gap: 15px;
}
.user-info .display-name { font-weight: bold; color: var(--color-text-light); }
.user-info .balance { background-color: var(--color-bg-light); padding: 5px 10px; border-radius: var(--border-radius-sm); font-weight: 500; }
#logout-button { background-color: var(--color-bg-light); color: var(--color-text-medium); font-size: 0.85em; padding: 8px 15px; margin-left: 10px; }
#logout-button:hover { background-color: var(--color-primary); color: var(--color-text-light); }

body.auth-page {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

body.auth-page main { flex-grow: 0; }

.auth-container { width: 100%; max-width: 450px; }
.auth-box { background-color: var(--color-bg-medium); padding: 30px 40px; border-radius: var(--border-radius-md); box-shadow: var(--shadow-medium); border-top: 4px solid var(--color-primary); }
.auth-logo { text-align: center; margin-bottom: 25px; }
.auth-logo a { font-size: 2em; font-weight: 700; color: var(--color-text-light); text-transform: uppercase; }
.auth-logo span { color: var(--color-primary); }
.auth-box h2 { text-align: center; color: var(--color-text-light); margin-bottom: 30px; font-weight: 500; }
.auth-status { padding: 10px 15px; margin-bottom: 20px; border-radius: var(--border-radius-sm); text-align: center; font-size: 0.9em; border: 1px solid transparent; display: none; }
.auth-status.error { background-color: rgba(231, 76, 60, 0.1); color: var(--color-error); border-color: var(--color-error); display: block; }
.auth-status.success { background-color: rgba(46, 204, 113, 0.1); color: var(--color-success); border-color: var(--color-success); display: block; }
.auth-status.loading { background-color: rgba(52, 152, 219, 0.1); color: var(--color-info); border-color: var(--color-info); display: block; }
.form-group { margin-bottom: 20px; position: relative; }
.form-group label { display: block; margin-bottom: 8px; color: var(--color-text-medium); font-size: 0.9em; font-weight: 500; }
.input-with-icon { position: relative; }
.input-with-icon i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--color-text-medium); font-size: 0.9em; }
.form-control { width: 100%; padding: 12px 15px 12px 40px; background-color: var(--color-bg-dark); border: 1px solid var(--color-border); color: var(--color-text-light); border-radius: var(--border-radius-sm); font-size: 1em; transition: border-color 0.3s ease, box-shadow 0.3s ease; }
.form-control:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(229, 9, 20, 0.3); }
.form-control::placeholder { color: var(--color-text-medium); opacity: 0.7; }
.forgot-password { position: absolute; right: 0; top: 0; font-size: 0.8em; color: var(--color-text-medium); }
.forgot-password:hover { color: var(--color-primary); text-decoration: underline; }
.form-check { display: flex; align-items: center; margin-bottom: 20px; }
.form-check-input { width: 18px; height: 18px; margin-right: 10px; flex-shrink: 0; cursor: pointer; accent-color: var(--color-primary); }
.form-check-label { margin-bottom: 0; font-size: 0.9em; color: var(--color-text-medium); cursor: pointer; line-height: 1.2; }
.form-check-label a { color: var(--color-primary); text-decoration: underline; }
.form-check-label a:hover { color: var(--color-secondary); }
.form-text { font-size: 0.8em; color: var(--color-text-medium); display: block; margin-top: 5px; }
.btn-block { width: 100%; padding: 12px 15px; font-size: 1.1em; text-transform: uppercase; letter-spacing: 1px; margin-top: 10px; }
.auth-links { margin-top: 30px; text-align: center; font-size: 0.9em; }
.auth-links p { margin-bottom: 15px; color: var(--color-text-medium); }
.auth-links a { color: var(--color-primary); font-weight: 500; }
.auth-links a:hover { text-decoration: underline; color: var(--color-secondary); }
.back-to-home { display: inline-block; margin-top: 10px; color: var(--color-text-medium) !important; font-size: 0.85em; }
.back-to-home i { margin-right: 5px; }
.back-to-home:hover { color: var(--color-text-light) !important; text-decoration: none !important; }

main.main-content {
     max-width: 1200px;
     margin: 30px auto;
     padding: 20px;
     background-color: var(--color-bg-medium);
     border-radius: var(--border-radius-md);
     box-shadow: var(--shadow-light);
     width: 90%;
}
main.main-content h1 { color: var(--color-text-light); margin-bottom: 20px; border-bottom: 1px solid var(--color-border); padding-bottom: 10px; }
main.main-content p { color: var(--color-text-medium); margin-bottom: 15px; }
#game-area, #user-actions-area { margin-bottom: 20px; padding: 15px; background: var(--color-bg-light); border-radius: var(--border-radius-sm); }
#game-area h2, #user-actions-area h2 { margin-bottom: 10px; color: var(--color-text-light); }

.site-footer-bottom {
    background-color: #111;
    color: var(--color-text-medium);
    padding: 40px 0 20px 0;
    font-size: 0.9em;
    border-top: 3px solid var(--color-primary);
    flex-shrink: 0;
    margin-top: auto;
}

.footer-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px 30px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 20px;
}

.footer-column h5 { font-size: 1.1em; color: var(--color-text-light); margin-bottom: 15px; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-column.about h5 { font-size: 1.5em; font-weight: 700; }
.footer-column.about h5 span { color: var(--color-primary); }
.footer-column p { margin-bottom: 15px; line-height: 1.5; }
.footer-column ul li { margin-bottom: 8px; }
.footer-column ul li a { color: var(--color-text-medium); transition: color 0.3s ease, padding-left 0.3s ease;}
.footer-column ul li a:hover { color: var(--color-text-light); padding-left: 5px; }
.social-links a { color: var(--color-text-medium); font-size: 1.4em; margin-right: 15px; transition: color 0.3s ease; }
.social-links a:hover { color: var(--color-primary); }
.footer-column.security span { display: inline-block; margin: 5px 8px 5px 0; color: #666; font-size: 0.8em; }
.copyright { text-align: center; font-size: 0.85em; }
.copyright p { margin-bottom: 5px; }

@media (max-width: 480px) {
    .auth-box { padding: 20px; }
    .auth-box h2 { font-size: 1.5em; margin-bottom: 20px; }
    .auth-logo a { font-size: 1.5em; }
    .btn { padding: 10px 15px; font-size: 0.9em; }
    .btn-block { font-size: 1em; }
    .site-header { flex-direction: column; gap: 10px; padding: 15px; }
    .site-header .user-info { flex-wrap: wrap; justify-content: center;}
    .footer-container { grid-template-columns: 1fr; text-align: center; }
    .footer-column ul { padding: 0; }
    .social-links { margin-bottom: 15px; }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1050;
    padding: 20px;
}

.modal-overlay.active {
    display: flex; 
}

.modal-content {
    background-color: var(--color-bg-medium);
    color: var(--color-text-light);
    padding: 30px 40px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    max-width: 650px;
    width: 90%;
    position: relative;
    border-top: 5px solid var(--color-secondary);
    animation: fadeInModal 0.3s ease-out;
}

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


.modal-content h3 {
    color: var(--color-secondary);
    font-size: 1.5em;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-content p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: var(--color-text-medium);
}
.modal-content p strong {
     color: var(--color-text-light);
     font-weight: 600;
}

.modal-content ul {
    list-style: none;
    margin-bottom: 20px;
    padding-left: 0;
}

.modal-content ul li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    color: var(--color-text-medium);
    font-size: 0.95em;
}

.modal-content ul li i {
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--color-primary);
    font-size: 0.9em;
}

.close-modal-button {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2em;
    color: var(--color-text-medium);
    cursor: pointer;
    line-height: 1;
    padding: 0 5px;
    transition: color 0.2s ease;
}
.close-modal-button:hover {
    color: var(--color-text-light);
}

.acknowledge-button {
    display: block;
    width: auto;
    min-width: 150px;
    margin: 25px auto 0;
    padding: 12px 30px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    color: white;
}
.acknowledge-button:hover {
    opacity: 0.9;
}

.modal-content.construction-modal {
    max-width: 550px;
    border-top-color: var(--color-info);
}

.modal-content.construction-modal h3 {
    color: var(--color-info);
}

.email-link {
    color: var(--color-secondary);
    font-weight: 500;
    word-break: break-all;
}
.email-link:hover {
    text-decoration: underline;
}

.modal-content.construction-modal .acknowledge-button {
    margin-top: 20px;
    background-color: var(--color-bg-light);
    color: var(--color-text-light);
}
.modal-content.construction-modal .acknowledge-button:hover {
    background-color: var(--color-border);
}
.game-link {
    margin-top: 10px;
    margin-right: 10px;
    margin-bottom: 10px;
    min-width: 180px; 
    text-align: center;
    display: inline-block;
    vertical-align: top;
}
.game-link.disabled {
     background: var(--color-bg-light);
     border: 1px solid var(--color-border);
     color: var(--color-text-medium);
     cursor: not-allowed;
     opacity: 0.7;
     pointer-events: none;
}
.game-link.disabled:hover {
     transform: none;
     box-shadow: none;
}
.modal-content.confirmation-modal {
    max-width: 550px;
    border-top-color: var(--color-warning, #f39c12);
}
.modal-content.confirmation-modal h3 {
    color: var(--color-warning, #f39c12);
}
.modal-content.confirmation-modal h3 i {
     color: var(--color-warning, #f39c12);
}
.warning-text {
    background-color: rgba(243, 156, 18, 0.1);
    border-left: 4px solid var(--color-warning, #f39c12);
    padding: 10px 15px;
    margin: 15px 0;
    font-size: 0.95em;
    color: var(--color-text-light);
}
.warning-text i {
    margin-right: 8px;
    color: var(--color-warning, #f39c12);
}

.modal-buttons {
    margin-top: 25px;
    display: flex;
    justify-content: space-around;
    gap: 15px;
}
.modal-buttons .btn {
    min-width: 120px;
}