/* Button Elements */

/* 
 * Text Button (Link style with arrow)
 * Usage: <a href="#" class="btn-text">Read More <i data-lucide="arrow-right"></i></a>
 */
.btn-text {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);

    font-family: var(--f-main);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--c-primary);
    text-decoration: none;

    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.btn-text:visited {
    color: var(--c-primary);
}

.btn-text i {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s ease;
}

.btn-text:hover {
    color: var(--c-primary-hover);
    gap: var(--s-3);
    /* Slide effect by increasing gap */
}

.btn-text:hover i {
    transform: translateX(2px);
}

/* Primary Button (Premium Vibrant Glass) */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);

    padding: 0.85rem 1.75rem;
    border-radius: var(--r-full);

    background: color-mix(in srgb, var(--c-primary), transparent 20%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--c-bg);
    font-weight: 700;
    text-decoration: none;
    border: 1px solid color-mix(in srgb, var(--c-primary), white 20%);

    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    background: var(--c-primary);
    box-shadow: 0 15px 35px rgba(var(--c-primary-rgb), 0.4);
}

/* Primary Glass Button (Minimal & Transparent) */
.btn-primary-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.85rem 1.75rem;
    background: color-mix(in srgb, var(--c-primary), transparent 92%);
    border: 1px solid var(--c-primary);
    border-radius: var(--r-lg);
    color: var(--c-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    font-size: 0.9rem;
    line-height: normal;
}

.btn-primary-glass:hover {
    background: var(--c-primary);
    color: var(--c-bg);
    box-shadow: 0 10px 25px color-mix(in srgb, var(--c-primary), transparent 70%);
}

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


.btn-danger-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.85rem 1.75rem;
    background: color-mix(in srgb, var(--c-error), transparent 95%);
    border: 1px solid var(--c-border-secondary);
    border-radius: var(--r-lg);
    color: var(--c-error);
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
}

.btn-danger-glass:hover {
    background: color-mix(in srgb, var(--c-error), transparent 90%);
    border-color: color-mix(in srgb, var(--c-error), transparent 60%);
    box-shadow: 0 0 25px color-mix(in srgb, var(--c-error), transparent 85%);
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1.25rem !important;
    font-size: 0.8rem;
    gap: 0.5rem;
}

.btn-lg {
    padding: 1.1rem 2.5rem !important;
    font-size: 1.1rem;
    gap: 1rem;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text-ghost);
    padding: 0.8rem 1.75rem;
    border-radius: var(--r-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
}

.btn-outline:hover {
    border-color: var(--c-border-tertiary);
    color: var(--c-text);
    background: color-mix(in srgb, var(--c-text), transparent 98%);
}

/* 
 * Back Button (Standard Navigation)
 * Usage: <a href="#" class="btn-back"><span>Indietro</span></a>
 */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);
    text-decoration: none;
    color: var(--c-text-ghost);
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-back-circle {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: color-mix(in srgb, var(--c-text), transparent 96%);
    border: 1px solid color-mix(in srgb, var(--c-text), transparent 92%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-back:hover {
    color: var(--c-text);
}

.btn-back:hover .btn-back-circle {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: var(--c-bg);
    transform: translateX(-4px);
    box-shadow: 0 0 20px color-mix(in srgb, var(--c-primary), transparent 80%);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: var(--r-lg);
    color: var(--c-text-ghost);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-ghost:hover {
    color: var(--c-text);
    background: rgba(255, 255, 255, 0.03);
}

.btn-danger-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--r-lg);
    color: var(--c-error);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-danger-ghost:hover {
    color: var(--c-bg);
    background: var(--c-error);
    border-color: var(--c-error);
    box-shadow: 0 5px 15px color-mix(in srgb, var(--c-error), transparent 70%);
}


.btn-back i {
    width: 1.1rem;
    height: 1.1rem;
    transition: transform 0.4s ease;
}

/* 
 * Simple Link (Textual navigation)
 * Usage: <a href="#" class="btn-link">Forgot password?</a>
 */
.btn-link {
    color: var(--c-primary);
    text-decoration: none;
    font-size: var(--fs-sm);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
    display: inline-block;
}

.btn-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--c-primary);
    transition: width 0.3s ease;
}

.btn-link:hover {
    color: var(--c-primary-hover);
}

.btn-link:hover::after {
    width: 100%;
    background: var(--c-primary-hover);
}

.btn-link-ghost {
    color: var(--c-text-ghost);
}

.btn-link-ghost::after {
    background: var(--c-text-ghost);
}

.btn-link-ghost:hover {
    color: var(--c-text);
}

.btn-link-ghost:hover::after {
    background: var(--c-text);
}

/* 
 * Icon-only Button (Premium Glass)
 */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--r-md);
    color: var(--c-text-ghost);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--c-text);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn-icon:active {
    transform: translateY(0) scale(0.95);
}

.btn-icon-danger {
    color: var(--c-error);
    background: color-mix(in srgb, var(--c-error), transparent 96%);
}

.btn-icon-danger:hover {
    background: var(--c-error);
    border-color: var(--c-error);
    color: var(--c-bg);
    box-shadow: 0 0 20px color-mix(in srgb, var(--c-error), transparent 70%);
}

.btn-icon-inner {
    width: 1.25rem;
    height: 1.25rem;
}