/* ========================================
   WCL 2025/26 - Stili Base
   ======================================== */

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colori Brand */
    --color-gold: #FFD700;
    --color-green: #228B22;
    --color-red-brick: #B22222;
    --color-silver: #C0C0C0;
    --color-pink: #FF69B4;
    --color-legends: #333333;
    
    /* Colori UI */
    --color-bg: #f5f5f5;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #dddddd;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Font */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    
    /* Borders & Radius */
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Headers */
.main-header,
.page-header,
.admin-header {
    text-align: center;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-green) 100%);
    color: var(--color-white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 4px 6px var(--color-shadow);
    position: relative;
}

.header-logo {
    width: 150px;
    height: auto;
    margin-bottom: var(--spacing-md);
}

.header-title {
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}
.header-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.95;
}

/* Buttons */
.btn,
button {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    font-family: var(--font-primary);
}

.btn-primary {
    background-color: var(--color-green);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #1a6b1a;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--color-shadow);
}

.btn-secondary {
    background-color: var(--color-text-light);
    color: var(--color-white);
}
.btn-secondary:hover {
    background-color: #555555;
}

.back-button {
    position: absolute;
    left: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-white);
    text-decoration: none;
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-base);
}

.back-button:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn var(--transition-base);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-base);
}

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

.modal-close {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--color-text-light);
    transition: color var(--transition-base);
}

.modal-close:hover {
    color: var(--color-red-brick);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-style: italic;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(34, 139, 34, 0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

/* Loading */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.spinner {
    border: 4px solid var(--color-border);
    border-top: 4px solid var(--color-green);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

/* Error Message */
.error-message {
    color: var(--color-red-brick);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

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

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

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

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .header-title {
        font-size: var(--font-size-xl);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}