/* Custom Styles for Game Form Application */

:root {
    --primary-color: #0d47a1;
    --secondary-color: #1a237e;
    --success-color: #2e7d32;
    --danger-color: #c62828;
    --dark-bg: #121212;
    --light-text: #ffffff;
    --border-color: #2c2c2c;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--dark-bg);
    color: var(--light-text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

h1, h2, h3 {
    color: var(--light-text);
    margin-bottom: 20px;
    font-weight: 600;
}

h1 {
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 10px;
}

/* Form Styles */
form {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.form-label {
    color: var(--light-text);
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.form-control,
.form-select {
    background-color: #2c2c2c;
    border: 1px solid var(--border-color);
    color: var(--light-text);
    padding: 10px 12px;
    border-radius: 4px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    background-color: #353535;
    border-color: var(--primary-color);
    color: var(--light-text);
    box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.25);
    outline: none;
}

.form-control::placeholder {
    color: #999;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Checkbox and Radio */
.form-check {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
    background-color: #2c2c2c;
    border: 1px solid var(--border-color);
    accent-color: var(--primary-color);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
}

/* Error Messages */
.text-danger,
.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 5px;
    display: block;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger-color);
}

/* Buttons */
.btn {
    padding: 10px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-text);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 71, 161, 0.4);
}

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

.btn-outline-light:hover {
    background-color: var(--light-text);
    color: var(--dark-bg);
    transform: translateY(-2px);
}

/* Card Styles */
.card {
    background-color: #1e1e1e;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.card-body {
    padding: 20px;
}

.card-bg-secondary {
    background-color: #252525;
}

.card-text {
    color: #e0e0e0;
    line-height: 1.8;
}

.card-text strong {
    color: var(--primary-color);
}

/* Row and Column Layout */
.row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.col-md-6 {
    grid-column: span 1;
}

@media (max-width: 768px) {
    .row {
        grid-template-columns: 1fr;
    }
    
    .col-md-6 {
        grid-column: span 1;
    }
    
    form {
        padding: 20px;
    }
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: #999;
    font-size: 0.9rem;
}

/* Alert/Flash Messages */
.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background-color: #1b5e20;
    border-left-color: var(--success-color);
    color: #c8e6c9;
}

.alert-danger {
    background-color: #b71c1c;
    border-left-color: var(--danger-color);
    color: #ffcdd2;
}

.alert-info {
    background-color: #01579b;
    border-left-color: var(--primary-color);
    color: #b3e5fc;
}

/* Responsive Design */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .btn {
        width: 100%;
        padding: 12px;
    }
}