/* ========================================
   MAIN STYLES - LINEARITY TRADING
   Stili globali e layout principale
   ======================================== */

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Main Content */
.main-content {
    min-height: 100vh;
    padding-top: 80px; /* Altezza header */
}

/* Section Spacing */
section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .section-subtitle {
        font-size: var(--text-base);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    white-space: nowrap;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
}

@media (max-width: 768px) {
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: var(--text-sm);
    }
    
    .btn-large {
        padding: 0.875rem 1.75rem;
        font-size: var(--text-base);
    }
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-bg);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--modal-bg);
    border-radius: var(--radius-xl);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-round);
    color: var(--text-primary);
    font-size: var(--text-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 1;
}

.modal-close:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-xl);
}

/* Stili per il contenuto delle strategie nel modal */
.modal-body .strategy-description {
    color: var(--text-primary);
    line-height: 1.6;
}

.modal-body .strategy-description p {
    margin-bottom: 1rem;
}

.modal-body .strategy-description ul,
.modal-body .strategy-description ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.modal-body .strategy-description ul {
    list-style-type: disc;
}

.modal-body .strategy-description ol {
    list-style-type: decimal;
}

.modal-body .strategy-description li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.modal-body .strategy-description b,
.modal-body .strategy-description strong {
    font-weight: 600;
    color: var(--primary-color);
}

.modal-body .strategy-description i,
.modal-body .strategy-description em {
    font-style: italic;
}

.modal-body .strategy-description u {
    text-decoration: underline;
}

.modal-body .strategy-description div {
    margin-bottom: 0.5rem;
}

/* Preserva gli stili inline (come line-height) */
.modal-body .strategy-description * {
    line-height: inherit;
}

/* Classi per interlinea personalizzata */
.modal-body .strategy-description .lh-1 { line-height: 1 !important; }
.modal-body .strategy-description .lh-115 { line-height: 1.15 !important; }
.modal-body .strategy-description .lh-15 { line-height: 1.5 !important; }
.modal-body .strategy-description .lh-18 { line-height: 1.8 !important; }
.modal-body .strategy-description .lh-2 { line-height: 2 !important; }
.modal-body .strategy-description .lh-25 { line-height: 2.5 !important; }

/* Strategy Attachments Section */
.strategy-separator {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 2rem 0;
}

.strategy-attachments {
    margin-top: 2rem;
}

.strategy-attachments h3 {
    color: var(--text-primary) !important;
    margin-bottom: 1.5rem !important;
    display: block !important;
    font-weight: bold;
}

.attachments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.attachment-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    cursor: pointer;
}

.attachment-card:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.attachment-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    color: white;
    font-size: 1.5rem;
}

.attachment-content {
    flex: 1;
    min-width: 0;
}

.attachment-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.attachment-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.attachment-action {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 0.875rem;
    transition: transform 0.3s ease;
}

.attachment-card:hover .attachment-action {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .attachments-grid {
        grid-template-columns: 1fr;
    }
    
    .attachment-card {
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    .modal-content {
        max-width: 100%;
        border-radius: var(--radius-lg);
    }
    
    .modal-body {
        padding: var(--spacing-lg);
    }
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(200, 162, 94, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

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

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}