.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    transition: background var(--transition-fast), color var(--transition-fast),
        box-shadow var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
}

.btn--primary {
    background: var(--gradient-primary);
    color: #042f2e;
    box-shadow: var(--shadow-glow-primary);
}

.btn--primary:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-1px);
}

.btn--cta {
    background: var(--gradient-cta);
    color: #fff;
    box-shadow: var(--shadow-glow-cta);
}

.btn--cta:hover {
    background: var(--gradient-cta-hover);
    transform: translateY(-1px);
}

.btn--youtube {
    background: #dc2626;
    color: #fff;
}

.btn--youtube:hover {
    background: #ef4444;
    transform: scale(1.03);
}

.btn--amber {
    background: var(--gradient-sun);
    color: #422006;
}

.btn--amber:hover {
    filter: brightness(1.08);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-border-strong);
}

.btn--danger-outline {
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.35);
    color: var(--color-danger);
}

.btn--danger-outline:hover {
    background: rgba(248, 113, 113, 0.22);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 1.25rem;
    padding: 0.625rem 1rem;
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: background var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
}

.back-link:hover {
    background: rgba(45, 212, 191, 0.12);
    border-color: var(--color-border-strong);
    transform: translateX(2px);
}