/* ==================== BUTTONS ==================== */
/* Tutti i bottoni e varianti */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: 0.75rem;
    font-family: 'Raleway', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    background: var(--bg-primary, rgba(255, 255, 255, 0.25));
    backdrop-filter: var(--blur-medium);
    -webkit-backdrop-filter: var(--blur-medium);
    color: var(--text-primary);
    box-shadow: var(--glow-soft);
}

.btn:hover {
    background: var(--bg-secondary, rgba(255, 255, 255, 0.4));
    backdrop-filter: var(--blur-strong);
    -webkit-backdrop-filter: var(--blur-strong);
    transform: translateY(-2px);
    box-shadow: var(--glow-medium);
}

.btn-primary {
    background: rgba(107, 169, 219, 0.85);
    color: var(--white);
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    box-shadow: var(--glow-medium), 0 0 25px rgba(107, 169, 219, 0.5);
    border: 1px solid rgba(107, 169, 219, 0.6);
}

.btn-primary:hover {
    background: rgba(87, 149, 199, 0.95);
    backdrop-filter: var(--blur-strong);
    -webkit-backdrop-filter: var(--blur-strong);
    box-shadow: var(--glow-intense), 0 0 35px rgba(107, 169, 219, 0.7);
    border-color: rgba(107, 169, 219, 0.8);
    color: var(--white);
}

.btn-danger {
    background: rgba(255, 107, 107, 0.4);
    color: var(--text-primary);
    font-weight: 500;
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.3), 0 4px 15px rgba(255, 107, 107, 0.15);
}

.btn-danger:hover {
    background: rgba(255, 107, 107, 0.6);
    box-shadow: 0 0 25px rgba(255, 107, 107, 0.5), 0 6px 20px rgba(255, 107, 107, 0.25);
}

/* Icona + più grande e visibile nel pulsante Aggiungi */
.btn-primary .btn-icon {
    margin-right: 0.5rem;
}

.btn-primary .btn-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke-width: 3;
}

.btn-danger {
    font-weight: 500;
}

.btn-icon {
    font-size: 1.2rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* SVG icona nel btn-icon */
.btn-icon svg {
    width: 1.2rem;
    height: 1.2rem;
    flex-shrink: 0;
}

.btn-icon-chevron {
    width: 10px;
    height: 10px;
    opacity: 0.6;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
    margin-left: 0.375rem;
}

/* Icona colonne nel pulsante Colonne */
#columns-menu-btn .btn-icon {
    margin-right: 0.5rem;
}

#columns-menu-btn .btn-icon svg {
    width: 1.1rem;
    height: 1.1rem;
}

.btn:hover .btn-icon-chevron {
    opacity: 0.9;
}

/* Export Menu */
.export-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: var(--blur-strong);
    -webkit-backdrop-filter: var(--blur-strong);
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--glow-medium);
    display: flex;
    flex-direction: column;
    min-width: 120px;
    z-index: 100;
    animation: slideDown 0.3s ease;
}

.export-option {
    padding: 0.75rem 1.125rem;
    border: none;
    background: none;
    text-align: left;
    font-family: 'Raleway', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    border-radius: 0;
}

.export-option:hover {
    background: rgba(179, 225, 255, 0.3);
    box-shadow: inset 0 0 10px rgba(179, 225, 255, 0.2);
}

.export-option:first-child {
    border-radius: 0.5rem 0.5rem 0 0;
}

.export-option:last-child {
    border-radius: 0 0 0.5rem 0.5rem;
}

/* Filter Icon Button */
.filter-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    background: rgba(107, 169, 219, 0.7);
    color: var(--white);
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(107, 169, 219, 0.4);
    flex-shrink: 0;
}

.filter-icon-btn:hover {
    background: rgba(87, 149, 199, 0.85);
    transform: translateY(-0.0625rem);
    box-shadow: 0 0 15px rgba(107, 169, 219, 0.6);
}

.filter-icon-btn svg {
    width: 1.125rem;
    height: 1.125rem;
}

/* Smart Filter Suggestion Button */
.smart-filter-suggestion .btn-filter-suggest {
    background: rgba(107, 169, 219, 0.7);
    color: var(--white);
    border: none;
    padding: 0.375rem 0.875rem;
    border-radius: 0.375rem;
    margin-left: 0.625rem;
    cursor: pointer;
    font-family: 'Raleway', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(107, 169, 219, 0.4);
}

.smart-filter-suggestion .btn-filter-suggest:hover {
    background: rgba(87, 149, 199, 0.85);
    transform: translateY(-0.0625rem);
    box-shadow: 0 0 15px rgba(107, 169, 219, 0.6);
}

/* Selected Count */
.selected-count {
    margin-left: 0.375rem;
    font-weight: 600;
    opacity: 0.9;
}

/* Tooltip styling */
.btn[title],
button[title],
a[title] {
    position: relative;
}

/* Tooltip content - minimalista */
.btn[title]::before,
button[title]::before,
a[title]::before {
    content: attr(title);
    position: absolute;
    bottom: 140%;
    left: 50%;
    transform: translateX(-50%);
    background: #333333;
    color: #ffffff;
    padding: 0.375rem 0.625rem;
    border-radius: 0.25rem;
    font-size: 0.7rem;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 10000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Tooltip arrow */
.btn[title]::after,
button[title]::after,
a[title]::after {
    content: '';
    position: absolute;
    bottom: 135%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #333333;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 10000;
}

/* Show on hover */
.btn[title]:hover::before,
.btn[title]:hover::after,
button[title]:hover::before,
button[title]:hover::after,
a[title]:hover::before,
a[title]:hover::after {
    opacity: 1;
}